At the A1 level, 'failed' is a word you might hear when talking about school or simple machines. It means something did not work or someone did not pass a test. For example, if you take a test and your score is very low, you might have a 'failed test.' If a light in your house does not turn on, you can say it is a 'failed light.' It is a simple way to say 'not good' or 'not working.' You use it to describe things that are finished and did not go the right way. It is the opposite of 'passed' or 'working.' You will see it on papers or hear it when something breaks. It is an important word to know so you can understand when something is not successful.
At the A2 level, you can use 'failed' to describe more things in your daily life. You might talk about a 'failed attempt' to do something, like trying to cook a new meal that didn't taste good. It means you tried, but it didn't work. You can also use it for technology, like a 'failed download' on your computer or phone. This tells you that the file did not finish coming to your device. In school, 'failed' is used for grades that are not high enough to pass. It is a very common adjective to describe outcomes that are not what you wanted. You can also use it to describe a 'failed plan' for the weekend, like if you wanted to go to the park but it rained.
At the B1 level, 'failed' becomes a more useful tool for describing complex situations. You can use it to talk about professional and social issues. For example, a 'failed business' is one that had to close because it didn't make enough money. A 'failed relationship' is one that ended because the two people couldn't stay together. You are also introduced to more specific terms like 'failed state' in news or history classes. At this level, you should understand that 'failed' is an adjective that comes from the verb 'to fail.' It describes the final state of something that didn't succeed. It is often used in news reports to describe 'failed negotiations' or 'failed peace talks.' It is a key word for discussing problems and their results.
At the B2 level, you should be able to use 'failed' with more precision and in more formal contexts. You will encounter it in academic writing and professional reports. For instance, you might read about 'failed policies' that did not solve a social problem or 'failed experiments' in a science lab. You should also understand the nuance between 'failed' and 'failing.' 'Failed' describes a completed state of non-success, while 'failing' describes a process that is currently going wrong. You can use 'failed' to describe abstract concepts, like 'failed logic' or 'failed expectations.' It is also common in the business world to discuss 'failed mergers' or 'failed product launches.' At this level, you can use the word to provide a clear, objective assessment of a situation.
At the C1 level, you use 'failed' to explore deep and nuanced themes in literature, politics, and philosophy. You might analyze a 'failed hero' in a novel—a character who had great potential but was brought down by their own flaws. In political science, you will use 'failed state' as a technical term with specific criteria. You can also use 'failed' to describe subtle failures in communication or social structures, such as a 'failed promise' or a 'failed ideology.' You should be comfortable using the word in complex sentence structures and understand its emotional and rhetorical impact. For example, describing a project as 'failed' can be a powerful way to argue for a change in strategy. You will also recognize it in idiomatic expressions and high-level professional discourse.
At the C2 level, your mastery of 'failed' allows you to use it with complete precision and stylistic flair. You can use it to describe highly abstract or technical failures, such as 'failed systemic integration' or 'failed metaphysical constructs.' You understand the historical and cultural weight the word can carry in different contexts. You can use it ironically or metaphorically to create a specific effect in your writing. For instance, you might write about the 'failed grandeur' of a decaying city. You are also aware of the legal and technical implications of the word in various fields, from medicine to contract law. At this level, 'failed' is just one of many tools you use to describe the complexities of human endeavor and the natural world with absolute clarity and sophistication.

failed in 30 Seconds

  • Describes something that did not achieve its goal or purpose.
  • Refers to machines or systems that have stopped working entirely.
  • Commonly used for students who do not pass an exam or test.
  • Indicates a definitive end to an unsuccessful process or venture.

The adjective failed is a versatile and frequently used term in English that describes something that has not achieved its intended purpose, goal, or standard of operation. It is the past participle form of the verb 'to fail,' but it functions independently as an adjective to categorize outcomes, states of being, and mechanical conditions. When we speak of a 'failed attempt,' we are highlighting the gap between the initial intention and the final result. This word is not merely a neutral observation; it often carries a sense of finality and, depending on the context, a weight of disappointment or a clinical assessment of technical status.

Functional Failure
This refers to machines, systems, or organs that have stopped working. For example, a 'failed hard drive' or 'failed kidneys' indicates a total cessation of expected function.

The rescue mission was a failed effort, as the weather conditions became too hazardous to continue.

In social and political contexts, 'failed' is used to describe institutions or structures that no longer fulfill their foundational roles. A 'failed state' is a specific term in international relations for a country whose government has lost the ability to provide basic services or maintain a monopoly on the legitimate use of force. Similarly, a 'failed marriage' or 'failed relationship' describes a social bond that has ended because it could not be sustained or did not meet the emotional needs of the participants. The word allows us to categorize these complex human experiences into a definitive state of non-success.

Academic Context
In education, 'failed' describes a grade or a student's status regarding a specific examination. A 'failed grade' is one that does not meet the minimum passing criteria.

He looked at his failed exam paper with a sense of deep regret, knowing he hadn't studied enough.

Furthermore, the word is used in business to describe ventures that have gone bankrupt or ceased operations. A 'failed startup' is a common phrase in the tech industry, often used to analyze what went wrong in the business model or market fit. In this sense, 'failed' serves as a label for an entity that has exited the market. It is also used in the context of law, such as a 'failed prosecution' or a 'failed bid,' where a legal or competitive process did not reach the desired conclusion. The breadth of its application—from a lightbulb to a nation-state—makes it an essential adjective for describing the reality of non-achievement across all spheres of life.

Biological Context
In medicine, 'failed' can describe a treatment or a bodily organ. A 'failed transplant' means the body rejected the new organ or the organ did not function as expected.

The doctor explained that the failed surgery was due to unforeseen complications during the procedure.

Ultimately, 'failed' is about the discrepancy between 'what was supposed to be' and 'what is.' It is a word of reality checks. Whether it is a failed cake that didn't rise in the oven or a failed peace treaty that couldn't prevent a conflict, the word anchors the subject in the realm of unsuccessful outcomes. It is a definitive marker that allows for the closing of one chapter and, hopefully, the beginning of an analysis of why the failure occurred. In literature and film, 'failed' heroes or 'failed' dreams are common tropes that explore the human condition's vulnerability and the poignancy of unmet expectations.

The architect pointed to the failed supports as the primary reason for the building's collapse.

Her failed attempt to climb the mountain only made her more determined to try again next year.

Using the adjective failed correctly requires an understanding of its placement and the nouns it typically modifies. As an adjective, it most commonly appears in the attributive position, which means it comes directly before the noun it describes. For example, in the phrase 'a failed experiment,' 'failed' provides immediate information about the status of the 'experiment.' It can also be used in the predicative position, following a linking verb like 'to be' or 'to seem,' as in 'The mission was failed.' However, the predicative use is slightly less common than the attributive use when describing objects or events; often, in predicative contexts, we might use the noun 'a failure' instead (e.g., 'The mission was a failure').

Attributive Usage
Placed before the noun: 'The failed coup led to a period of intense political instability.'

After three failed attempts to start the car, he realized the battery was completely dead.

When using 'failed' to describe people, one must be cautious. Calling a person a 'failed actor' or a 'failed politician' implies that they attempted a career in that field but did not achieve success or recognition. This is a very strong and often critical label. It suggests that the person's professional identity is defined by their lack of success. In contrast, describing a specific action of a person as 'failed' is more objective and less personal. For instance, 'his failed speech' refers to one specific event, whereas 'he is a failed speaker' refers to his entire character or career. This distinction is vital for maintaining the appropriate tone in writing and conversation.

Describing Systems
'The failed logic of the argument became clear when the evidence was presented.'

A failed connection prevented the team from joining the international video conference.

In technical and scientific writing, 'failed' is used with precision to denote a state where a component does not meet its specification. You will often see it in reports describing 'failed components,' 'failed tests,' or 'failed samples.' In these cases, the word is devoid of emotional baggage and simply serves as a binary indicator of status (Pass vs. Fail). For example, 'The failed sample was discarded to prevent contamination of the rest of the batch.' Here, 'failed' is a necessary technical classification. When writing, ensure that the noun being modified by 'failed' is something that can actually succeed or fail. You wouldn't say 'a failed chair' unless the chair was part of a design experiment that didn't work; instead, you would say 'a broken chair.'

Collocations with 'Attempt'
'Failed attempt' is one of the most common pairings, used in everything from sports to high-stakes diplomacy.

The company's failed bid for the contract resulted in significant layoffs.

Finally, consider the emotional impact of 'failed' in creative writing. It can evoke a sense of tragedy or irony. A 'failed romantic' is a character type that audiences often find sympathetic. A 'failed utopia' describes a setting where high ideals have crumbled into a dystopian reality. By choosing 'failed' over 'bad' or 'broken,' a writer emphasizes the effort that was once present and the disappointment of its collapse. This nuance is what makes 'failed' such a rich adjective for storytelling and descriptive prose. Always ask yourself: was there an intention that wasn't met? If yes, 'failed' is likely the right word.

The ruins of the failed colony stood as a silent warning to future explorers.

Despite her failed first draft, she eventually wrote a best-selling novel.

The word failed is ubiquitous in news media, academic journals, and everyday professional discourse. If you tune into a news broadcast, you are likely to hear it in the context of politics and international affairs. Reporters often speak of 'failed negotiations' between warring factions or 'failed legislation' that did not pass through a parliament or congress. In these instances, 'failed' serves as a concise way to summarize a complex process that reached a dead end. It is a staple of political analysis, used to describe the shortcomings of policies and the collapse of diplomatic efforts.

In the News
'The failed launch of the satellite was a major setback for the national space agency.'

Economists are warning that the failed bank could trigger a wider financial crisis.

In the business world, 'failed' is heard in boardrooms and financial reports. It is used to describe 'failed mergers,' 'failed product launches,' and 'failed investments.' Business analysts use the term to categorize ventures that did not yield a return on investment. Interestingly, in the startup culture of places like Silicon Valley, the term is often used with a certain level of pride or as a 'badge of honor.' Entrepreneurs might talk about their 'failed first company' as a necessary step in their journey toward eventual success. This cultural shift has somewhat softened the negative stigma of the word in specific professional circles.

In Technology
'The system administrator identified a failed server as the cause of the website outage.'

I received an error message regarding a failed update on my smartphone.

In everyday conversation, 'failed' is used more casually but still retains its core meaning. You might hear a friend talk about a 'failed attempt' to bake a sourdough bread or a 'failed weekend trip' that was ruined by rain. In these cases, the word is used to express a minor disappointment. However, it is also used in more serious personal conversations, such as discussing a 'failed marriage' or a 'failed career path.' In these contexts, the word carries significant emotional weight and is usually used with empathy or self-reflection. It is a word that helps people process and categorize the less-than-ideal outcomes of their lives.

In Legal Proceedings
'The failed lawsuit cost the company millions in legal fees and damages.'

The detective lamented the failed investigation, which had reached a dead end after months of work.

Finally, in the medical and scientific community, 'failed' is a standard part of the vocabulary. Doctors discuss 'failed treatments' or 'failed organs' in a clinical manner. In research, a 'failed hypothesis' is not a bad thing; it is simply a result that does not support the initial theory, which is a vital part of the scientific method. Whether you are reading a medical report, a tech blog, or a celebrity gossip column (discussing a 'failed romance'), the word 'failed' provides a clear, unambiguous label for things that did not go as planned. Its frequency in the English language reflects our constant need to evaluate and categorize the success of our endeavors.

The athlete's failed drug test resulted in an immediate suspension from the competition.

The documentary explored the history of the failed social experiment in the 1970s.

One of the most common mistakes learners make with the word failed is confusing its use as an adjective with its use as a verb. While 'failed' is the past tense of the verb 'to fail' (e.g., 'He failed the test'), as an adjective, it describes the state of a noun (e.g., 'a failed test'). A frequent error is using the verb form where an adjective is required, or vice versa. For example, saying 'The test was failed' is grammatically correct but often sounds awkward if you mean 'The test was a failure.' Understanding the difference between the action of failing and the state of being failed is key to sounding natural in English.

Failed vs. Failing
This is a critical distinction. 'Failed' is for completed actions/states. 'Failing' is for ongoing processes. A 'failed business' is closed; a 'failing business' is still open but struggling.

Incorrect: He is a failing candidate. (If he already lost the election, use 'failed').

Another common mistake is using 'failed' to describe people in a way that sounds overly harsh or grammatically incorrect. While you can say 'a failed actor,' you should avoid calling someone 'a failed person.' This is not only socially insensitive but also linguistically imprecise. Failure usually applies to specific roles or tasks, not to the entirety of a human being. If you want to describe someone who has had many setbacks, it is better to use more specific language or the noun 'failure' in a specific context, such as 'He felt like a failure in his career.' Using the adjective 'failed' directly before a person's name or identity can come across as a permanent and cruel label.

Confusion with 'Failure'
Learners often use the adjective 'failed' when the noun 'failure' is more appropriate. 'The failed of the project' is incorrect; it should be 'The failure of the project.'

Incorrect: The failed was unexpected. Correct: The failure was unexpected.

In technical contexts, learners sometimes use 'failed' when 'faulty' or 'defective' would be more precise. A 'failed part' usually means it has already stopped working, while a 'faulty part' might still be working but has a flaw that will lead to failure later. Distinguishing between these states is important in engineering, IT, and manufacturing. For example, if a machine is making a strange noise but still running, it has a 'faulty component,' not a 'failed component.' Once the machine stops entirely, the component has 'failed.' Paying attention to these subtle differences will greatly improve the accuracy of your technical English.

Misusing 'Failed' as an Adverb
'Failed' cannot be used to modify a verb. You cannot say 'He failed did the work.' You must use 'unsuccessfully' or 'failed to do.'

Incorrect: He failed tried to open the door. Correct: He tried to open the door but failed.

Finally, be aware of the 'double negative' trap. In some languages, you might be tempted to say something like 'not failed' to mean 'successful.' While grammatically possible, it is much more natural in English to simply say 'successful' or 'passed.' Saying 'The test was not failed' sounds like you are trying to hide something or are being unnecessarily indirect. Clear, direct language is almost always preferred in English communication. By avoiding these common pitfalls, you can use 'failed' with the precision and confidence of a native speaker.

The failed logic of his argument was easy to spot once we looked at the data.

She was disappointed by her failed attempt at the world record, but she vowed to return.

While failed is a strong and direct word, English offers many synonyms and alternatives that can provide more nuance depending on the situation. Choosing the right alternative can help you convey a specific tone, whether it's formal, technical, or emotional. For example, 'unsuccessful' is a very common and slightly softer alternative to 'failed.' It suggests that the goal wasn't reached but doesn't carry the same weight of total collapse. 'A failed attempt' and 'an unsuccessful attempt' are often interchangeable, but 'unsuccessful' feels a bit more polite in professional settings.

Unsuccessful vs. Failed
'Unsuccessful' is often used for efforts that didn't yield results. 'Failed' is used when there was a clear standard that wasn't met or a system that stopped working.

The abortive coup was over within hours, having gained no public support.

In more formal or literary contexts, you might use words like 'abortive,' 'futile,' or 'fruitless.' 'Abortive' is specifically used for efforts that are ended prematurely because they are not working (e.g., 'an abortive mission'). 'Futile' suggests that the effort was useless from the start and had no chance of success (e.g., 'a futile search'). 'Fruitless' implies that a lot of work was put in, but it produced no results (e.g., 'a fruitless discussion'). These words add layers of meaning that 'failed' alone cannot provide, allowing the speaker to comment on the nature of the failure itself.

Technical Alternatives
In IT and engineering, alternatives include 'malfunctioning,' 'inoperative,' 'defective,' or 'down.' Each describes a different type of failure.

The inoperative machinery caused a significant delay in the production line.

When discussing people or their careers, alternatives like 'disappointed,' 'underachieving,' or 'thwarted' can be more descriptive. A 'thwarted ambition' suggests that someone's goals were blocked by external forces, which is more specific than just saying 'a failed ambition.' Similarly, an 'underachieving student' is someone who has the potential but isn't meeting it, whereas a 'failed student' has already received a non-passing grade. These distinctions are important for accurate and empathetic communication. In business, 'insolvent' or 'bankrupt' are precise legal terms that replace 'failed' when describing a company's financial state.

Comparison Table
  • Failed: General, final, can be technical.
  • Unsuccessful: Softer, general, common in business.
  • Futile: Suggests the effort was pointless from the start.
  • Defective: Specific to physical goods or parts.

Their fruitless search for the missing keys lasted for over three hours.

In conclusion, while 'failed' is a perfectly good word, expanding your vocabulary to include these alternatives will make your English more precise and expressive. Whether you are describing a 'malfunctioning' computer, a 'futile' attempt to argue with a stubborn person, or an 'unsuccessful' job application, choosing the right word shows a deep understanding of the language. Always consider the context—is it technical, emotional, formal, or casual?—and choose the synonym that best fits the specific type of failure you are describing.

The defective wiring was the primary cause of the house fire.

After many unsuccessful interviews, he finally landed his dream job.

How Formal Is It?

Formal

""

Neutral

""

Informal

""

Child friendly

""

Slang

""

Fun Fact

The Latin root 'fallere' is also the source of words like 'false,' 'fallacy,' and 'faucet' (originally a tap that might 'fail' or leak).

Pronunciation Guide

UK /feɪld/
US /feɪld/
Single syllable, so the stress is on the entire word.
Rhymes With
hailed mailed nailed sailed tailed wailed paled railed
Common Errors
  • Pronouncing the 'ed' as a separate syllable (e.g., 'fail-ed'). It should be one syllable.
  • Using a short 'e' sound like 'fell' instead of the long 'a' in 'fail'.
  • Dropping the final 'd' sound, making it sound like 'fail'.
  • Over-emphasizing the 'l' sound so it sounds like two syllables.
  • Confusing the pronunciation with 'filed' (/faɪld/).

Difficulty Rating

Reading 3/5

Easy to recognize in text as it often follows 'a' or 'the'.

Writing 4/5

Requires care not to confuse with the verb form or the noun 'failure'.

Speaking 3/5

Common in daily speech, but pronunciation of the final 'd' is important.

Listening 3/5

Clear sound, but can be confused with 'filed' or 'fell' in fast speech.

What to Learn Next

Prerequisites

fail (verb) success work test broken

Learn Next

failure (noun) unsuccessful failing (adjective) abortive futile

Advanced

insolvent inoperative malfunctioning thwarted bankrupt

Grammar to Know

Past Participles as Adjectives

The 'failed' attempt (from the verb 'fail').

Attributive Position

A 'failed' student (adjective before noun).

Predicative Position

The mission was 'failed' (adjective after linking verb).

Distinction from Present Participle

'Failed' (completed) vs. 'Failing' (ongoing).

Adjective vs. Noun

'Failed' (adj) vs. 'Failure' (noun).

Examples by Level

1

I have a failed test.

Tengo un examen reprobado.

'Failed' is an adjective modifying 'test'.

2

The failed light is dark.

La luz fallida está oscura.

Adjective 'failed' before the noun 'light'.

3

It was a failed cake.

Fue un pastel fallido.

Simple past 'was' with adjective 'failed'.

4

The failed game is over.

El juego fallido ha terminado.

Adjective 'failed' describing the 'game'.

5

He has a failed phone.

Él tiene un teléfono que no funciona.

'Failed' here means broken or not working.

6

A failed plan is sad.

Un plan fallido es triste.

Subject 'A failed plan' followed by 'is'.

7

The failed door will not open.

La puerta fallida no se abre.

Future negative 'will not open'.

8

I see the failed clock.

Veo el reloj que no funciona.

Direct object 'the failed clock'.

1

The failed download took too long.

La descarga fallida tardó demasiado.

'Failed' describes the 'download' process.

2

She made a failed attempt to run.

Ella hizo un intento fallido de correr.

Common collocation: 'failed attempt'.

3

The failed battery is in the trash.

La batería agotada está en la basura.

'Failed' refers to a battery that no longer holds a charge.

4

We had a failed meeting today.

Tuvimos una reunión fallida hoy.

Describing a meeting that didn't achieve its goal.

5

The failed experiment was messy.

El experimento fallido fue un desastre.

Adjective 'failed' modifying 'experiment'.

6

His failed joke made no one laugh.

Su chiste fallido no hizo reír a nadie.

Possessive 'His' followed by 'failed joke'.

7

The failed project cost a lot of money.

El proyecto fallido costó mucho dinero.

Simple past 'cost'.

8

I found a failed lightbulb in the box.

Encontré una bombilla fundida en la caja.

'Failed' used for a burnt-out bulb.

1

The failed business closed last month.

El negocio que fracasó cerró el mes pasado.

'Failed' describes a business that went bankrupt.

2

They discussed their failed marriage.

Ellos discutieron su matrimonio fallido.

Using 'failed' for a social relationship.

3

The failed mission was a secret.

La misión fallida era un secreto.

Adjective 'failed' in a formal context.

4

He was upset about his failed grade.

Él estaba molesto por su nota reprobatoria.

'Failed grade' is a common academic phrase.

5

The failed negotiations led to a strike.

Las negociaciones fallidas llevaron a una huelga.

Plural noun 'negotiations' modified by 'failed'.

6

A failed pump caused the flood.

Una bomba averiada causó la inundación.

'Failed' used for a mechanical part.

7

The failed coup attempt was televised.

El intento de golpe de estado fallido fue televisado.

Complex noun phrase: 'failed coup attempt'.

8

She regretted her failed promise.

Ella lamentó su promesa incumplida.

'Failed' used for an abstract social commitment.

1

The failed policy resulted in higher taxes.

La política fallida resultó en impuestos más altos.

'Failed' describes a government strategy.

2

The failed startup was a learning experience.

La startup fallida fue una experiencia de aprendizaje.

Positive framing of a 'failed' venture.

3

A failed hard drive can be a disaster.

Un disco duro averiado puede ser un desastre.

Modal 'can be' with the subject 'A failed hard drive'.

4

The failed merger surprised the investors.

La fusión fallida sorprendió a los inversores.

Specific business terminology: 'merger'.

5

The failed logic of the plan was obvious.

La lógica fallida del plan era obvia.

Describing an abstract quality: 'logic'.

6

They analyzed the failed rescue operation.

Analizaron la operación de rescate fallida.

Formal verb 'analyzed' with 'failed rescue operation'.

7

The failed candidate gave a short speech.

El candidato derrotado dio un breve discurso.

'Failed candidate' means someone who lost an election.

8

A failed crop led to a food shortage.

Una cosecha fallida provocó una escasez de alimentos.

'Failed crop' refers to agricultural failure.

1

The failed state struggled to maintain order.

El estado fallido luchó por mantener el orden.

Political science term: 'failed state'.

2

Her failed ambitions haunted her for years.

Sus ambiciones frustradas la persiguieron durante años.

Metaphorical use of 'haunted' with 'failed ambitions'.

3

The failed architecture of the bridge was fatal.

La arquitectura fallida del puente fue fatal.

Using 'failed' to describe structural design.

4

He is often seen as a failed visionary.

A menudo se le ve como un visionario fallido.

Passive voice 'is seen as' with a complex noun phrase.

5

The failed peace treaty was a tragic outcome.

El tratado de paz fallido fue un resultado trágico.

Adjective 'failed' emphasizing the tragedy of the result.

6

The failed experiment in socialism was analyzed.

Se analizó el experimento fallido del socialismo.

Describing a historical/political movement.

7

A failed connection can ruin a live broadcast.

Una conexión fallida puede arruinar una transmisión en vivo.

Technical failure in a professional context.

8

The failed logic led to a systemic collapse.

La lógica fallida llevó a un colapso sistémico.

High-level abstract noun 'systemic collapse'.

1

The failed grandeur of the ruins was poetic.

La grandeza fallida de las ruinas era poética.

Literary and aesthetic use of 'failed'.

2

The failed integration of the software was costly.

La integración fallida del software fue costosa.

Technical and business context at a high level.

3

He wrote about the failed utopias of the past.

Escribió sobre las utopías fallidas del pasado.

Philosophical and historical subject matter.

4

The failed prosecution was a blow to the state.

El fracaso de la fiscalía fue un golpe para el estado.

Legal terminology: 'failed prosecution'.

5

The failed heart was replaced by a machine.

El corazón que falló fue reemplazado por una máquina.

Medical context: 'failed' meaning ceased to function.

6

The failed attempt at reconciliation was final.

El intento fallido de reconciliación fue definitivo.

Using 'failed' to denote absolute finality.

7

The failed logic of the theorem was discovered.

Se descubrió la lógica fallida del teorema.

Scientific/Mathematical context.

8

A failed ideology can cause immense suffering.

Una ideología fallida puede causar un sufrimiento inmenso.

Abstract and impactful subject matter.

Common Collocations

failed attempt
failed state
failed marriage
failed experiment
failed bid
failed coup
failed grade
failed battery
failed negotiation
failed startup

Common Phrases

a failed mission

— A task or assignment that was not completed successfully. It implies a specific goal was missed.

The astronauts returned home after a failed mission to the moon.

failed expectations

— When reality does not meet what someone hoped or thought would happen. It describes a feeling of disappointment.

The movie was a case of failed expectations for most critics.

failed logic

— An argument or plan that is based on incorrect reasoning. It suggests the thinking behind it was flawed.

The failed logic of the proposal was quickly pointed out by the board.

failed drug test

— When an athlete or employee tests positive for banned substances. It often has serious consequences.

The sprinter's failed drug test led to a four-year ban.

failed promise

— A commitment that was not kept. It describes a breach of trust.

The politician's career was marred by a series of failed promises.

failed system

— A set of procedures or a technical network that does not work. It can be social or mechanical.

The failed justice system needs urgent reform.

failed policy

— A government or organizational rule that did not achieve its intended effect. It is used in critical analysis.

The failed policy on housing led to an increase in homelessness.

failed heart

— A medical condition where the heart cannot pump enough blood. It is a very serious health issue.

The patient was placed on a waiting list for a transplant due to a failed heart.

failed connection

— A loss of communication, usually technical like internet or phone. It is a common modern frustration.

A failed connection interrupted the important video call.

failed candidate

— A person who ran for a position or office but was not selected. It is used after an election or hiring process.

The failed candidate thanked his supporters in a concession speech.

Often Confused With

failed vs failing

'Failed' is for a finished state; 'failing' is for an ongoing process of decline.

failed vs failure

'Failed' is an adjective (describes a noun); 'failure' is a noun (the thing itself).

failed vs broken

'Broken' is usually for physical damage; 'failed' is for a lack of success or function.

Idioms & Expressions

"a failed attempt at humor"

— When someone tries to be funny but no one laughs. It is often used to describe an awkward social moment.

His failed attempt at humor only made the meeting more tense.

informal
"failed by a whisker"

— To fail by a very small margin. It suggests that success was very close.

The bill failed by a whisker in the final vote.

informal
"a failed romantic"

— Someone who believes in love but has had many unsuccessful relationships. It is a character archetype.

He described himself as a failed romantic who still hoped for the best.

literary
"failed to launch"

— Originally about rockets, now often used for young adults who struggle to become independent. It implies a lack of progress.

The movie 'Failure to Launch' explores the lives of men still living with their parents.

informal
"failed in one's duty"

— To not do what is expected of you in a position of responsibility. It is a serious accusation.

The guard was accused of having failed in his duty to protect the building.

formal
"a failed experiment in..."

— Used to dismiss a social or political movement as unsuccessful. It is often used in historical debates.

Many see the commune as a failed experiment in radical living.

academic
"failed the smell test"

— When something seems suspicious or not quite right. It implies a failure of integrity or logic.

The company's explanation for the missing funds failed the smell test.

informal
"failed at the first hurdle"

— To fail at the very beginning of a process. It suggests a lack of preparation or fundamental flaws.

Their business plan failed at the first hurdle when they couldn't get a loan.

neutral
"failed and forgotten"

— Something that was unsuccessful and has now been completely ignored. It emphasizes total failure.

The failed and forgotten technologies of the 90s are now museum pieces.

literary
"failed beyond repair"

— Something that has failed so completely that it cannot be fixed. It is used for both objects and situations.

The relationship was failed beyond repair after the latest argument.

neutral

Easily Confused

failed vs failing

Both come from the verb 'fail' and describe non-success.

'Failed' means the failure has already happened and is a completed state. 'Failing' means the failure is currently happening or the subject is in the process of failing. A 'failed business' is closed; a 'failing business' is still open but in trouble.

The failed project was archived, but the failing project still needs more funding.

failed vs failure

One is an adjective and one is a noun, but they look similar.

'Failed' is used to describe a noun (e.g., 'a failed plan'). 'Failure' is the noun itself (e.g., 'The plan was a failure'). You cannot say 'The failed of the plan'.

His failed attempt was a complete failure.

failed vs faulty

Both describe things that aren't working right.

'Faulty' means something has a defect but might still work partially. 'Failed' means it has stopped working entirely or has reached a definitive unsuccessful conclusion.

The faulty wire eventually became a failed connection.

failed vs unsuccessful

They are synonyms.

'Unsuccessful' is slightly broader and softer. 'Failed' is more definitive and can be more technical. You would say 'a failed state' but rarely 'an unsuccessful state'.

The unsuccessful candidate reflected on his failed campaign.

failed vs broken

Both describe things that don't work.

'Broken' usually implies physical damage (e.g., a broken glass). 'Failed' implies a lack of function or success (e.g., a failed lightbulb or a failed plan).

The failed engine was not physically broken, but it wouldn't start.

Sentence Patterns

A1

It is a failed [noun].

It is a failed test.

A2

I have a failed [noun].

I have a failed battery.

B1

The [noun] was a failed attempt.

The meeting was a failed attempt.

B2

Due to a failed [noun], [result].

Due to a failed pump, the basement flooded.

C1

The failed [noun] of the [noun] led to [consequence].

The failed logic of the argument led to a systemic collapse.

C2

Characterized by its failed [noun], the [noun] [verb].

Characterized by its failed grandeur, the city crumbled.

B1

He spoke about his failed [noun].

He spoke about his failed business.

B2

They analyzed the failed [noun].

They analyzed the failed merger.

Word Family

Nouns

Verbs

Adjectives

Related

How to Use It

frequency

Very common in both written and spoken English.

Common Mistakes
  • The failed of the project was sad. The failure of the project was sad.

    You cannot use the adjective 'failed' as a noun. Use 'failure' instead.

  • He is a failing student. He is a failed student. (If he already failed).

    'Failing' means he is currently doing poorly. 'Failed' means the exam or course is over and he did not pass.

  • I have a failed chair. I have a broken chair.

    'Failed' is usually for functions or goals. For physical objects that are snapped or torn, use 'broken'.

  • The test was failed. He failed the test. / The test was a failure.

    While 'the test was failed' is grammatically possible, it sounds awkward and unnatural to native speakers.

  • He failed tried to run. He tried to run but failed.

    'Failed' is an adjective or a verb, not an adverb. You cannot use it to modify another verb directly like this.

Tips

Adjective vs. Verb

Remember that 'failed' is an adjective when it describes a noun (e.g., 'a failed plan'). It is a verb when it shows an action (e.g., 'The plan failed').

Use Synonyms for Variety

If you find yourself using 'failed' too much, try 'unsuccessful,' 'ineffective,' or 'futile' to add more nuance to your writing.

Technical Precision

In IT or engineering, use 'failed' to mean a total loss of function. If something is just working poorly, use 'faulty' or 'malfunctioning' instead.

Be Sensitive

Avoid calling people 'failed.' Focus on the 'failed effort' or 'failed project' to remain professional and polite.

Failed State

Learn the term 'failed state' if you are studying politics or history, as it is a very specific and important academic concept.

Failed Startup

In business, don't be afraid of the word 'failed.' It is often used to analyze mistakes and improve future ventures.

Finality

Use 'failed' when you want to emphasize that a process is completely over and was not successful. It carries a sense of closure.

Vowel Sounds

Pay close attention to the long 'a' sound in 'failed' to distinguish it from 'filed' or 'fell' in conversation.

Collocations

Memorize common pairs like 'failed attempt' and 'failed experiment' to make your English sound more natural and fluent.

Visual Cues

Associate 'failed' with an 'X' mark or a red light to help you remember its meaning as 'not successful' or 'not working'.

Memorize It

Mnemonic

Think of a 'Failed' grade. It starts with 'F' for 'Failure.' When something is 'failed,' it has reached the 'Finish' line but didn't 'Fill' the requirements.

Visual Association

Imagine a lightbulb that is dark while others are bright. That dark bulb is a 'failed' bulb. Or imagine a runner who has tripped and is lying on the ground—that is a 'failed' attempt at the race.

Word Web

Unsuccessful Broken Bankrupt Defective Inoperative Passed Working Success

Challenge

Try to find three things in your house that could be described as 'failed' (e.g., an old battery, a broken toy, a dead plant) and say a sentence about each using the word.

Word Origin

The word 'failed' comes from the verb 'fail,' which has its roots in Old French 'faillir' (to be lacking, miss, not succeed). This, in turn, comes from the Latin 'fallere' (to deceive, trick, be disappointing).

Original meaning: The original Latin meaning 'to deceive' evolved into the sense of 'to be lacking' or 'to fall short' of an expectation.

Indo-European > Italic > Latin > Romance > French > English.

Cultural Context

Be very careful when calling a person 'failed.' It is much more polite to say they were 'unsuccessful' in a specific task.

In the US and UK, 'failed' is often used in news headlines for its brevity and impact. It is a very direct word.

The term 'Failed State' is widely used in political science and by the 'Fund for Peace'. The movie 'Failure to Launch' (2006) uses the noun form but popularizes the concept of social failure. Samuel Beckett's famous quote: 'Ever tried. Ever failed. No matter. Try again. Fail again. Fail better.'

Practice in Real Life

Real-World Contexts

Education

  • failed exam
  • failed grade
  • failed student
  • failed the course

Technology

  • failed hard drive
  • failed connection
  • failed update
  • failed component

Business

  • failed startup
  • failed merger
  • failed bid
  • failed investment

Politics

  • failed state
  • failed policy
  • failed coup
  • failed negotiations

Relationships

  • failed marriage
  • failed relationship
  • failed romance
  • failed promise

Conversation Starters

"Have you ever had a failed attempt at cooking something new?"

"What do you think is the most common reason for a failed business?"

"How do you feel when you have a failed connection during an important call?"

"Do you think a failed experiment can still be useful in science?"

"What is the best way to move on from a failed project?"

Journal Prompts

Describe a time you had a failed attempt at a hobby. What did you learn from it?

Write about a failed policy you have heard about in the news. Why did it fail?

Reflect on a failed relationship (friendship or romantic). How did it change you?

If you could fix one failed system in the world, which one would it be and why?

Is a 'failed' person a real thing, or is failure just a series of events?

Frequently Asked Questions

10 questions

Yes, but be careful. Phrases like 'a failed actor' or 'a failed politician' are common but very critical. They suggest the person's entire career was unsuccessful. It is usually more polite to describe their specific efforts as 'unsuccessful' rather than labeling the person as 'failed'.

'A failed test' uses 'failed' as an adjective to describe the paper or the result. 'Failing a test' uses the verb 'fail' to describe the action of not passing. Both mean the same thing, but they are used in different grammatical structures.

Generally, yes, as it indicates a lack of success. However, in some contexts like science or startups, a 'failed experiment' or 'failed startup' is seen as a valuable learning tool. In these cases, the word is used objectively to describe a result that provides new information.

You can use it as an adjective before the machine's name, like 'the failed pump' or 'the failed hard drive.' This tells the listener that the machine has stopped working entirely and is no longer functional.

Yes, 'failed marriage' and 'failed relationship' are very common phrases. They describe a bond that has ended because it was not successful or sustainable. It is a definitive way to state that the relationship is over.

Not exactly. 'Bankrupt' is a specific legal and financial term for a company or person who cannot pay their debts. A 'failed business' might be bankrupt, or it might have just closed for other reasons. 'Failed' is a more general term for non-success.

A 'failed state' is a political term for a country where the government has lost control and can no longer provide basic services, maintain law, or protect its citizens. It is a very serious label used in international relations.

Technically, yes, it is a passive construction. However, it sounds much more natural to say 'He failed the test' (verb) or 'The test was a failure' (noun). Using 'failed' as a predicative adjective in this way is less common.

The opposite would be a 'successful attempt.' You could also say a 'triumph' or a 'success,' but 'successful attempt' is the most direct antonym for the phrase.

No. 'Failed' has a long 'a' sound (/feɪld/), while 'filed' has a long 'i' sound (/faɪld/). Be careful with the vowel sound to avoid confusion between these two words.

Test Yourself 200 questions

writing

Write a sentence about a failed attempt you have made in the past.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Describe a failed business you know about. Why did it fail?

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Explain what a 'failed state' is in your own words.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Write a short story about a failed experiment that led to a surprise success.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

How do you feel when you have a failed connection during a call?

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Write a sentence using 'failed' to describe a machine in your house.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

What is the most common reason for a failed marriage, in your opinion?

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Describe a failed policy you have heard about in the news.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Write a sentence about a failed candidate in a recent election.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Explain the difference between a 'failed' project and a 'failing' project.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Write a sentence using 'failed' in a medical context.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Describe a failed attempt at humor that you witnessed.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Write a sentence about a failed promise.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

How can a failed experiment be useful?

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Write a sentence about a failed crop.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Describe a failed architecture or building project.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Write a sentence about a failed drug test in sports.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

What are the consequences of a failed merger?

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Write a sentence using 'failed' to describe an abstract concept.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Reflect on a failed goal you once had.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
speaking

Talk about a time you had a failed attempt at something. What happened?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Do you think a failed business is always the fault of the owner?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

How would you describe a 'failed state' to someone who doesn't know the term?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

What is the best way to handle a failed grade in school?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Have you ever had a failed connection during an important meeting? How did you fix it?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Is a failed experiment a waste of time? Why or why not?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

What are some common reasons for a failed marriage?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

How do you think a failed candidate feels after an election?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Talk about a failed policy you have heard of. What was it supposed to do?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

What would you do if you had a failed hard drive with important photos on it?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Do you think 'failed' is a harsh word to use for a person?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

What are the signs of a failing relationship before it becomes a failed one?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

How can a failed startup lead to a successful one later?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

What is the impact of a failed crop on a small community?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Have you ever seen a failed attempt at humor that was actually funny because it was so bad?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

What are the legal consequences of a failed drug test for a professional athlete?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

How do you define a 'failed mission' in a professional setting?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

What would you say to a friend who is upset about a failed exam?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Is a 'failed utopia' a common theme in books you read?

Read this aloud:

Correct! Not quite. Correct answer:
speaking

How does a failed connection affect modern life compared to the past?

Read this aloud:

Correct! Not quite. Correct answer:
listening

Listen to the sentence: 'The failed attempt at a world record was televised live.' What was televised?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen to the sentence: 'A failed battery caused the car to stall in the middle of the road.' Why did the car stall?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen to the sentence: 'The failed negotiations led to a long and difficult strike.' What was the result of the failed negotiations?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen to the sentence: 'He was saddened by his failed grade in the final exam.' How did he feel?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen to the sentence: 'The failed startup was a major topic in the business news today.' Where was the startup mentioned?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen to the sentence: 'A failed connection interrupted the important video call with the client.' Who was the call with?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen to the sentence: 'The failed mission was a secret for over twenty years.' How long was the mission a secret?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen to the sentence: 'A failed crop can be a disaster for a small village.' What can be a disaster?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen to the sentence: 'The failed candidate gave a short speech after the results were announced.' When did the candidate speak?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen to the sentence: 'The failed policy on housing was criticized by the opposition party.' Who criticized the policy?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen to the sentence: 'A failed hard drive is every computer user's nightmare.' What is the nightmare?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen to the sentence: 'The failed merger surprised everyone in the financial world.' Who was surprised?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen to the sentence: 'The failed logic of the plan was obvious to the board of directors.' To whom was the logic obvious?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen to the sentence: 'A failed promise can break a child's heart.' What can break a child's heart?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen to the sentence: 'The failed attempt at humor only made the situation more awkward.' What was the effect of the attempt?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

/ 200 correct

Perfect score!

Related Content

More Actions words

abcredance

C1

To formally grant credibility or validate the authenticity of a claim, process, or document based on rigorous evidence. It involves the transition of a statement or entity from a state of uncertainty to one of accepted institutional or logical fact.

abnasccide

C1

Describing something that is characterized by a natural tendency to shed, detach, or be cut off at a specific stage of development or under certain conditions. It is most commonly used in botanical or technical contexts to describe parts that are designed to separate from the main body.

absorb

B2

To take in or soak up energy, liquid, or other substances by chemical or physical action; also used metaphorically to mean taking in and understanding information or grasping the full attention of someone.

abstain

C1

To voluntarily refrain from an action or practice, especially one that is considered unhealthy or morally questionable. It is also used formally to describe the act of choosing not to cast a vote in an election or deliberation.

abvictly

C1

To decisively and abruptly resolve a complex situation or dispute by exercising overwhelming force or authority. It describes the act of bringing an immediate, non-negotiable end to a conflict, often bypassing traditional steps of negotiation.

abvitfy

C1

The inherent capacity or latent potential within a system or individual to adapt quickly and effectively to unforeseen technological or structural changes. It describes a sophisticated form of resilience that allows for an immediate pivot and evolution without a loss of core function.

accelerate

C1

To increase the speed or rate of something, or to make a process happen sooner than expected. In technical contexts, it refers to the rate of change of velocity, while in general contexts, it often describes the speeding up of progress or development.

accept

A1

To agree to receive something that someone offers you, or to say yes to an invitation or a suggestion. It can also mean to believe that something is true or to recognize a situation as it is.

achieve

A2

To successfully reach a goal or finish a task using your effort and skills. It describes the act of completing something positive after working hard for it.

acquiesce

C1

To accept something reluctantly but without protest. It describes a situation where someone agrees to a demand or proposal, often because they feel they have no other choice or do not wish to argue.

Was this helpful?

Comments (0)

Login to Comment
No comments yet. Be the first to share your thoughts!