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B1 adjective #34 よく出る 15分で読める

tested

上位34

練習する例文メモとヒント tested 30秒で

解説 tested in your Level:

At the A1 level, 'tested' is a word you might see in very simple contexts, often related to school or simple products. It comes from the word 'test,' which most beginners know as an exam in school. As an adjective, 'tested' simply means that someone has checked something to see if it works or if it is good. For example, if you see a toy that says 'safety tested,' it means a person or a machine checked the toy to make sure it is safe for children to play with. You might also hear it when talking about health, like a 'tested' sample at a doctor's office. At this level, you don't need to worry about the complex meanings. Just remember that 'tested' means 'someone checked this already.' It is the opposite of 'new' or 'unopened' in some cases, because it implies that the item has been used or looked at to make sure it is okay. You can use it in simple sentences like 'The car is tested' or 'The water is tested.' It helps you describe things that are safe or ready to use. Even though it is a B1 level word, knowing its basic meaning at A1 helps you understand signs and simple instructions. You will often see it on labels or in short news stories. It is a very useful word for feeling confident about the things you use every day. Just think of it as a 'check mark' for an object.

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At the A2 level, you can start to use 'tested' to describe more than just physical objects. You might use it to talk about simple ideas or methods. For example, you could say 'a tested recipe' to describe a way of cooking that you know works well because you have tried it before. At this level, 'tested' starts to mean 'reliable' or 'good.' You are moving beyond just the act of checking and starting to understand the result of the check. If something is tested, you can trust it more. You might hear this word in advertisements for cars or electronics. A 'tested engine' is one that the company has run for many hours to make sure it doesn't break. You can also use it to talk about your own experiences. 'I tested the new game' uses it as a verb, but 'The tested game is fun' uses it as an adjective. At A2, you should practice using 'tested' before a noun. This is called an attributive adjective. Try saying things like 'the tested plan' or 'the tested method.' This makes your English sound more natural. You are also learning that 'tested' is the past form of 'test,' so you can see how the word is built. It is a great word to help you explain why you like or trust something. It gives a reason for your confidence.

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At the B1 level, you are expected to understand the nuance of 'tested' as an adjective that implies reliability and verification. This is the level where the word is most commonly introduced. You should be able to use it in professional and academic contexts. For instance, you might describe a 'tested theory' in a science class or a 'tested strategy' in a business meeting. At this level, you understand that 'tested' means the subject has survived a trial or challenge. It is not just about being checked; it is about being proven. You will also encounter compound adjectives like 'time-tested' or 'field-tested.' 'Time-tested' is particularly useful for describing traditions, laws, or methods that have worked for a long time. You should also be able to distinguish between 'tested' (the result) and 'testing' (the process). For example, 'The tested software is ready' versus 'The testing phase is over.' This distinction is important for clear communication. You might also use 'tested' to describe people's qualities, such as 'tested patience' or 'a tested leader.' This shows a more advanced understanding of how adjectives can describe abstract concepts. At B1, you are starting to use 'tested' to build arguments and provide evidence for your statements. It is a key word for expressing certainty and trust in various situations.

At the B2 level, you should use 'tested' with precision in complex sentences and varied contexts. You understand that 'tested' can carry a heavy weight of authority, especially in scientific, legal, and technical fields. You might use it to discuss 'clinically tested' medical treatments or 'peer-tested' research. At this level, you are also aware of the synonyms and can choose the best one for the situation. For example, you might choose 'validated' or 'verified' over 'tested' to sound more formal or specific. You are comfortable using 'tested' in the passive voice and as a participle adjective. You can also handle more complex compound adjectives like 'battle-tested' or 'user-tested' and understand their metaphorical meanings. A 'battle-tested' politician is one who has survived many difficult elections, not necessarily a literal soldier. This ability to understand and use metaphorical language is a hallmark of the B2 level. You should also be able to identify common mistakes, such as confusing 'tested' with 'testable.' You know that a 'testable' hypothesis is one that *can* be checked, while a 'tested' one *has been* checked. This level of detail allows you to participate in more sophisticated discussions and write more professional reports. You use 'tested' to add a layer of credibility to your descriptions.

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At the C1 level, your use of 'tested' should be seamless and highly contextual. You understand the subtle implications of the word in different registers. In an academic paper, you might use 'tested' to describe empirical evidence that supports a complex argument. In a literary context, you might use it to describe a character's 'tested resolve' or 'tested loyalty,' adding depth to your analysis. You are also aware of the historical and etymological roots of the word, which can help you understand its use in older texts or more formal settings. At C1, you can use 'tested' to create contrast, such as comparing a 'tested method' with an 'innovative but unproven approach.' You are also adept at using the word in idiomatic expressions like 'testing the waters' or 'tested to the limit.' Your vocabulary is broad enough that you only use 'tested' when it is the most effective word, avoiding it if 'vetted,' 'authenticated,' or 'substantiated' would be more precise. You also understand the legal and ethical implications of the word in industries like pharmaceuticals or engineering, where 'tested' has specific regulatory meanings. Your ability to navigate these complexities shows a high level of fluency and a deep understanding of the English language's nuances.

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At the C2 level, you have a masterly command of 'tested' and its related forms. You can use it with complete flexibility in any context, from highly technical scientific reports to nuanced creative writing. You understand the philosophical implications of 'testing' and how the adjective 'tested' reflects a worldview based on evidence and verification. You might use the word to discuss the 'tested boundaries' of human knowledge or the 'tested endurance' of a civilization. At this level, you are also sensitive to the rhetorical power of the word. You know how to use 'tested' to build trust with an audience or to challenge the validity of an 'untested' claim. You can effortlessly switch between the literal and metaphorical meanings of the word, often using them simultaneously for poetic or dramatic effect. Your understanding of the word's collocations is exhaustive, and you can create your own compound adjectives that feel natural and evocative. You are also aware of the subtle differences between 'tested' and its most obscure synonyms, allowing you to choose the perfect word for every situation. For a C2 learner, 'tested' is not just a vocabulary word; it is a versatile tool for precise, powerful, and sophisticated communication. You use it to convey not just a state of being, but a history of challenge and a status of proven worth.

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練習する例文メモとヒント

tested 30秒で

Tested describes something that has undergone a trial or examination to verify its quality or truth.
It is often used to imply reliability, safety, and proven performance in various professional fields.
Commonly found in compound adjectives like 'time-tested' and 'battle-tested' to provide specific context.
Essential for distinguishing between theoretical ideas and evidence-based results in academic and technical writing.

The adjective tested serves as a powerful descriptor in the English language, signifying that an object, theory, person, or method has undergone a rigorous process of evaluation. When we describe something as tested, we are not merely saying it was looked at; we are asserting that it has faced challenges, trials, or examinations designed to reveal its true nature, strength, or functionality. This word carries a weight of reliability and verification. In professional environments, saying a product is 'tested' implies a level of safety and quality assurance that an 'untested' product lacks. It moves the subject from the realm of the theoretical into the realm of the proven. For example, a 'tested strategy' is one that has been applied in real-world scenarios and has survived the pressures of those situations. The transition of 'tested' from a simple past participle of the verb 'to test' into a standalone adjective highlights our societal need for certainty. We live in a world where data and evidence are paramount, and 'tested' is the label we apply to things that have met the criteria for evidence-based success.

Reliability: The quality of being trustworthy or performing consistently well. A tested component in a machine is one that engineers trust because its failure rate has been measured and found acceptable.

The scientists relied on tested methods to ensure the vaccine was safe for the general public.

In interpersonal contexts, 'tested' often describes abstract concepts like patience, loyalty, or character. If someone says their 'patience was tested,' they mean they were pushed to their limits by a difficult situation. Here, the 'test' is the hardship itself, and the adjective describes the state of that patience after the ordeal. Furthermore, in the world of sports and high-performance professions, we often hear the term 'battle-tested.' This compound adjective describes individuals who have not only participated in their field but have done so under the most intense and difficult conditions. A battle-tested athlete is one who has performed under the pressure of a championship game, proving they can maintain their skill level when it matters most. This nuance is crucial: 'tested' doesn't just mean 'checked'; it often implies 'survived' or 'validated.'

Verification: The process of establishing the truth, accuracy, or validity of something. A tested hypothesis has moved closer to becoming a theory.

After years of research, the tested theory became the foundation of modern physics.

Culturally, the word 'tested' is ubiquitous in advertising. You will see 'clinically tested' on skincare products or 'road-tested' on vehicles. These phrases are designed to build consumer confidence. By using the word 'tested,' marketers are appealing to the consumer's desire for safety and efficacy. It suggests that the product is not a gamble but a calculated choice based on prior results. In the digital age, 'tested' also applies to software. A 'tested build' of an application is one that has gone through quality assurance (QA) to ensure there are no major bugs. This use of the word is vital for maintaining the integrity of technological systems that we rely on daily. Whether it is a bridge, a medicine, or a piece of code, the adjective 'tested' provides the psychological and practical assurance that the subject is ready for use.

The pilot felt confident flying the tested aircraft across the ocean.

Endurance: The ability to withstand wear and tear or difficult conditions. A tested material is one that has proven its endurance under stress.

His tested resolve helped him overcome the obstacles in his career.

The tested parameters of the experiment yielded consistent results across all trials.

Using 'tested' correctly requires an understanding of its role as a modifier. As an adjective, it usually appears before a noun (attributive use) or after a linking verb (predicative use). When placed before a noun, it characterizes the noun as having already undergone a trial. For instance, 'a tested solution' tells the reader that the solution is not experimental. When used after a linking verb, such as 'is' or 'remains,' it describes the state of the subject. For example, 'The equipment is tested' indicates the current status of the machinery. It is important to distinguish this from the passive voice verb form. While 'The water was tested by the city' is a verb phrase describing an action, 'The city uses tested water' uses 'tested' as an adjective to describe the type of water. This subtle difference is key for advanced English learners who want to master nuance.

Attributive Use: Placing the adjective directly before the noun. Example: 'The tested pilot handled the emergency with ease.'

We only use tested ingredients in our organic skincare line.

Another common way to use 'tested' is in compound adjectives. Words like 'time-tested,' 'battle-tested,' 'user-tested,' and 'field-tested' provide specific context about the type of trial the subject has undergone. 'Time-tested' is perhaps the most common, referring to traditions, recipes, or methods that have worked for generations. 'Field-tested' is frequently used in military or scientific contexts to describe equipment that has been used in real-world conditions rather than just in a laboratory. These compounds allow for more descriptive and precise language. When writing, using these specific forms can make your descriptions much more vivid and professional. For example, instead of saying 'the old method,' saying 'the time-tested method' adds a layer of respect and validation to the subject.

Predicative Use: Placing the adjective after a linking verb. Example: 'The new software remains largely untested in high-traffic environments.'

The structural integrity of the bridge was tested during the earthquake.

Furthermore, 'tested' can be used to describe people's qualities. In this context, it often suggests that the person has been through a period of difficulty that has proven their worth. A 'tested leader' is someone who has led through a crisis. A 'tested friendship' is one that has survived a major disagreement or a long period of distance. In these cases, 'tested' acts as a synonym for 'proven' or 'resilient.' It adds a narrative quality to the description, suggesting a history of overcoming obstacles. When you use 'tested' in this way, you are inviting the reader to consider the past experiences that have shaped the current state of the person or relationship being described.

Their tested loyalty was the foundation of their long-term partnership.

Comparative and Superlative: While 'tested' is not usually compared (you don't often say 'more tested'), you can use 'most tested' to describe something that has undergone the most extensive evaluation. Example: 'This is the most tested drug in our company's history.'

The tested protocols were followed strictly to avoid any errors.

The tested hypothesis provided a new direction for the research team.

In the modern world, 'tested' is a word that echoes through various professional and social spheres. You will hear it most frequently in the scientific and medical communities. Doctors discuss 'tested treatments,' and researchers publish 'tested data.' In these fields, 'tested' is synonymous with 'peer-reviewed' or 'clinically validated.' When a new drug is released, the public's primary concern is whether it has been 'thoroughly tested.' This usage emphasizes safety and the rigorous adherence to scientific protocols. If you listen to a medical podcast or read a health journal, the word 'tested' will appear as a marker of authority and reliability, distinguishing legitimate medical advice from anecdotal claims.

Scientific Context: Used to describe hypotheses, drugs, or procedures that have undergone experimental validation. Example: 'The tested results were published in the Journal of Medicine.'

The laboratory provided tested evidence that the water supply was contaminated.

In the corporate and technology sectors, 'tested' is a staple of marketing and quality control. Software developers talk about 'unit-tested' code, and product managers boast about 'market-tested' products. When a company launches a new app, they might release a 'beta version' to be 'user-tested.' In this context, 'tested' implies that the product has been refined based on feedback and is now ready for a wider audience. If you work in tech, you'll hear this word daily in meetings regarding 'QA' (Quality Assurance). A 'tested' feature is one that has passed all the necessary checks and is ready to be 'pushed to production.' This usage is about risk management; 'tested' means the risk of failure has been minimized.

Technological Context: Refers to software, hardware, or systems that have been checked for bugs and performance issues. Example: 'We only deploy tested code to our main servers.'

The tested software update fixed several critical security vulnerabilities.

Beyond professional settings, 'tested' is common in sports and news reporting. You'll hear commentators describe an athlete as 'battle-tested' after a particularly grueling match. In news reports about crime or public safety, you might hear about 'tested samples' of DNA or 'tested evidence' in a court case. In these instances, 'tested' serves to provide a sense of finality and factual basis to the narrative. Even in casual conversation, people use 'tested' to describe their personal experiences. 'I've tested that theory,' someone might say when they've tried something out for themselves. This everyday usage bridges the gap between the formal scientific meaning and the informal personal meaning, showing how deeply the concept of 'testing' is embedded in our way of understanding the world.

The athlete's tested endurance was the key to his victory in the marathon.

Everyday Context: Used to describe personal trials or common experiences. Example: 'My patience was tested by the long wait at the airport.'

The tested recipe for the cake was passed down through three generations.

The tested components of the engine ensured the car's longevity.

One of the most frequent mistakes learners make is confusing the adjective 'tested' with the present participle 'testing.' While 'tested' describes something that has already undergone a trial, 'testing' describes the ongoing process. For example, 'the tested equipment' is ready for use, but 'the testing equipment' is the tools used to perform the tests. Misusing these can lead to significant confusion in technical or professional writing. Another common error is using 'tested' when 'testable' is intended. 'Testable' means something *can* be tested, whereas 'tested' means it *has been* tested. A hypothesis must be 'testable' before it can become 'tested.' Understanding this temporal distinction is vital for accurate communication.

Tested vs. Testing: Mistake: 'We are using the tested equipment to find the bugs.' (If the equipment is for finding bugs, it is 'testing' equipment). Correct: 'We are using the testing equipment to check the tested software.'

The tested results showed that the new material was stronger than the old one.

Another mistake involves the over-application of the word 'tested' to imply success. While 'tested' often suggests a positive outcome, it technically only means the process occurred. A 'tested theory' might have been proven false. However, in common usage, 'tested' is frequently used as a shorthand for 'proven to be good.' To avoid ambiguity, it is often better to use more specific adjectives like 'validated,' 'proven,' or 'verified' if you want to emphasize that the test was successful. Conversely, if you want to emphasize the rigor of the process regardless of the outcome, 'thoroughly tested' is a better choice. Learners should also be careful with the placement of 'tested' in sentences to ensure it doesn't sound like a verb in the passive voice when they intend it to be an adjective.

Tested vs. Testable: Mistake: 'The idea is tested, so we can start the experiment.' (If you haven't started, the idea is 'testable'). Correct: 'The idea is testable, and once it is tested, we will know the truth.'

The tested pilot remained calm during the unexpected engine failure.

Finally, learners sometimes struggle with the compound forms. Forgetting the hyphen in 'time-tested' or 'field-tested' when they function as adjectives before a noun is a common punctuation error. Additionally, using the wrong prefix can change the meaning entirely. 'Untested' is the direct opposite, but 'detested' is a completely different word meaning 'hated.' While they look similar, their meanings are worlds apart. Being mindful of these prefixes and suffixes will help you avoid embarrassing errors. In summary, pay close attention to the timing (past vs. present), the potential (tested vs. testable), and the specific compound forms to use 'tested' with the precision of a native speaker.

His tested methods for studying helped him pass the difficult exam.

Punctuation in Compounds: Mistake: 'This is a time tested recipe.' Correct: 'This is a time-tested recipe.' (The hyphen links the two words into a single adjective).

The tested boundaries of the new law were debated in the supreme court.

The tested reliability of the car made it a popular choice for families.

While 'tested' is a versatile word, English offers many alternatives that can provide more specific meaning depending on the context. 'Proven' is perhaps the closest synonym, but it carries a stronger implication of success. If something is 'proven,' it has not only been tested but has also been found to be effective or true. 'Verified' is another excellent alternative, often used when talking about facts, identities, or accounts. It suggests that a third party or a specific process has confirmed the truth of something. In technical contexts, 'validated' is frequently used to describe data or systems that meet specific requirements. Each of these words adds a slightly different flavor to your writing, and choosing the right one can make your language more precise and professional.

Tested vs. Proven: 'Tested' means the trial happened; 'proven' means the trial was successful. Example: 'The method was tested, but it wasn't proven to work until the third attempt.'

The tested theory was finally proven by the new experimental data.

For more informal or idiomatic expressions, you might use 'tried-and-true.' This phrase is a perfect synonym for 'time-tested' and is often used for recipes, advice, or simple solutions. It conveys a sense of warmth and reliability. On the other hand, 'vetted' is a more formal term often used for people or information. If a candidate for a job has been 'vetted,' it means their background has been thoroughly checked. In the world of journalism, 'vetted sources' are those that have been confirmed as reliable. Using 'vetted' instead of 'tested' when talking about people or information can make your speech sound more sophisticated and industry-appropriate. Another useful term is 'authenticated,' which is specifically used for art, documents, or luxury goods to prove they are genuine.

Tested vs. Verified: 'Verified' often implies a check against a known standard or fact. Example: 'The tested sample was verified by an independent laboratory.'

The tested security measures were verified by the cybersecurity firm.

In some cases, 'experimental' or 'trial' can serve as antonyms or contrasting terms. If something is 'experimental,' it is currently being tested and has not yet reached the status of being 'tested' (in the sense of being proven). Similarly, a 'trial version' is one that is being used to test the product. Understanding these relationships helps you navigate the spectrum of certainty in English. From the 'untested' and 'experimental' at one end to the 'tested,' 'proven,' and 'authenticated' at the other, each word places the subject at a different stage of validation. By expanding your vocabulary to include these alternatives, you can describe the world with much greater accuracy and nuance.

The tested prototype was much more reliable than the experimental model.

Tested vs. Validated: 'Validated' is often used in formal systems to show that something meets a set of rules. Example: 'The tested software was validated for use in the aviation industry.'

The tested hypothesis was validated by the results of the second study.

The tested resilience of the community was evident after the storm.

How Formal Is It?

豆知識

The word 'test' is actually related to the word 'testicle' through the Latin 'testis' (witness). A 'test' was originally a way for a substance to 'witness' or prove its own purity.

発音ガイド

UK /ˈtestɪd/

US /ˈtestəd/

The primary stress is on the first syllable: TEST-ed.

韻が合う語

rested bested invested requested suggested arrested contested detested

よくある間違い

Pronouncing the 'ed' as a separate syllable 'test-ed' with a long 'e'. It should be a short 'i' or schwa.
Dropping the 'ed' entirely, making it sound like 'test'.
Over-emphasizing the 't' at the end of the first syllable.
Confusing the pronunciation with 'tasted' (/ˈteɪstɪd/), which has a long 'a' sound.
Using a 'd' sound instead of a 't' sound for the first 't'.

難易度

読解 3/5

The word is easy to recognize but requires context to understand the specific type of test.

ライティング 4/5

Requires knowledge of compound adjectives and the distinction between 'tested' and 'testing'.

スピーキング 3/5

Pronunciation is straightforward, but using it naturally in metaphors takes practice.

リスニング 3/5

Can be confused with 'tasted' or 'test' in fast speech.

次に学ぶべきこと

前提知識

test check good safe try

次に学ぶ

proven verified validated reliable empirical

上級

substantiated authenticated vetted corroborated ascertained

知っておくべき文法

Participle Adjectives

The 'ed' ending in 'tested' shows it is a past participle used as an adjective to describe a completed action.

Compound Adjectives with Hyphens

When 'time' and 'tested' combine to modify a noun, they need a hyphen: 'time-tested method'.

Adjective Placement

'Tested' can be attributive (before the noun: 'tested water') or predicative (after the verb: 'the water is tested').

Adverbial Modification

Adverbs like 'thoroughly' or 'rigorously' can modify 'tested' to show the intensity of the trial.

Passive Voice vs. Adjective

'The car was tested' (passive verb) vs. 'The tested car' (adjective). The adjective focuses on the state of the car.

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レベル別の例文

The toy is tested for safety.

Le jouet est testé pour la sécurité.

Simple passive construction used as an adjective.

Is the water tested?

L'eau est-elle testée ?

Question form using the adjective 'tested'.

The car is tested and safe.

La voiture est testée et sûre.

Compound predicate with two adjectives.

We use tested milk.

Nous utilisons du lait testé.

Attributive use before the noun 'milk'.

The doctor has tested blood.

Le médecin a du sang testé.

Describing a medical sample.

This is a tested game.

C'est un jeu testé.

Simple attributive adjective.

The food is tested in the lab.

La nourriture est testée au laboratoire.

Describing the status of the food.

A tested bike is better.

Un vélo testé est meilleur.

Comparative sentence using the adjective.

I followed a tested recipe for the cake.

J'ai suivi une recette testée pour le gâteau.

Using 'tested' to mean reliable.

The new phone is fully tested.

Le nouveau téléphone est entièrement testé.

Using an adverb 'fully' to modify the adjective.

She likes tested methods for studying.

Elle aime les méthodes testées pour étudier.

Plural noun modified by 'tested'.

The tested equipment worked perfectly.

L'équipement testé a fonctionné parfaitement.

Subject of the sentence modified by 'tested'.

Is this a tested product?

Est-ce un produit testé ?

Common question in a consumer context.

The pilot flew the tested airplane.

Le pilote a piloté l'avion testé.

Attributive adjective in a past tense sentence.

They only sell tested cars.

Ils ne vendent que des voitures testées.

Using 'only' to emphasize the quality.

The tested theory was very simple.

La théorie testée était très simple.

Describing an abstract noun 'theory'.

The company uses time-tested strategies to grow.

L'entreprise utilise des stratégies éprouvées pour croître.

Introduction of the compound adjective 'time-tested'.

His patience was tested by the noisy neighbors.

Sa patience a été mise à l'épreuve par les voisins bruyants.

Metaphorical use describing a personal quality.

The drug was clinically tested before being sold.

Le médicament a été testé cliniquement avant d'être vendu.

Adverbial modification in a formal context.

We need a tested solution for this problem.

Nous avons besoin d'une solution éprouvée pour ce problème.

Requesting reliability.

The tested results were consistent across all groups.

Les résultats testés étaient cohérents dans tous les groupes.

Describing data in a research context.

She is a tested leader who knows how to handle a crisis.

C'est une leader éprouvée qui sait comment gérer une crise.

Describing a person's experience and reliability.

The bridge's structural integrity was tested during the storm.

L'intégrité structurelle du pont a été testée pendant la tempête.

Describing a physical trial.

The tested software had fewer bugs than the old version.

Le logiciel testé avait moins de bogues que l'ancienne version.

Comparative context in technology.

The battle-tested soldiers remained calm under fire.

Les soldats aguerris sont restés calmes sous le feu.

Compound adjective 'battle-tested' used metaphorically or literally.

The hypothesis remained untested until the new telescope was built.

L'hypothèse est restée non testée jusqu'à ce que le nouveau télescope soit construit.

Using the antonym 'untested' for contrast.

The tested parameters of the experiment were strictly controlled.

Les paramètres testés de l'expérience étaient strictement contrôlés.

Formal scientific description.

After being field-tested in the desert, the vehicle was approved.

Après avoir été testé sur le terrain dans le désert, le véhicule a été approuvé.

Compound adjective 'field-tested' indicating real-world trials.

Their tested loyalty was the cornerstone of their partnership.

Leur loyauté éprouvée était la pierre angulaire de leur partenariat.

Abstract noun modified by 'tested' to show depth.

The tested materials showed high resistance to heat.

Les matériaux testés ont montré une grande résistance à la chaleur.

Technical description of material properties.

The most tested theory in physics is general relativity.

La théorie la plus testée en physique est la relativité générale.

Superlative form 'most tested'.

The tested software build was deployed to the production server.

La version testée du logiciel a été déployée sur le serveur de production.

Specific technical jargon 'build' and 'deployed'.

The tested resilience of the financial system prevented a total collapse.

La résilience éprouvée du système financier a empêché un effondrement total.

Complex abstract subject with 'tested' as a modifier.

The validity of the tested data was questioned by the peer reviewers.

La validité des données testées a été remise en question par les pairs.

Academic context involving peer review.

His tested resolve was instrumental in navigating the political turmoil.

Sa détermination éprouvée a été déterminante pour naviguer dans l'agitation politique.

Using 'tested' to describe a character trait in a complex situation.

The tested protocols ensured that the hazardous waste was handled safely.

Les protocoles testés ont permis de manipuler les déchets dangereux en toute sécurité.

Focus on safety and procedural rigor.

The tested boundaries of the law are often explored in landmark cases.

Les limites éprouvées de la loi sont souvent explorées dans des affaires marquantes.

Metaphorical use in a legal context.

The tested efficiency of the new engine surpassed all expectations.

L'efficacité testée du nouveau moteur a dépassé toutes les attentes.

Describing performance metrics.

Despite being thoroughly tested, the system failed under extreme load.

Bien qu'ayant été minutieusement testé, le système a échoué sous une charge extrême.

Concessive clause using 'thoroughly tested'.

The tested authenticity of the painting increased its value significantly.

L'authenticité testée du tableau a considérablement augmenté sa valeur.

Describing the verification of an object's origin.

The tested endurance of the ancient structure is a testament to Roman engineering.

L'endurance éprouvée de la structure ancienne témoigne de l'ingénierie romaine.

Using 'tested' to describe historical longevity.

The tested parameters of the quantum model provided a new framework for research.

Les paramètres testés du modèle quantique ont fourni un nouveau cadre pour la recherche.

Highly technical scientific context.

Her tested loyalty was not merely a choice but a defining characteristic of her soul.

Sa loyauté éprouvée n'était pas seulement un choix, mais une caractéristique déterminante de son âme.

Literary and philosophical use of the adjective.

The tested efficacy of the policy was debated in the highest echelons of government.

L'efficacité testée de la politique a été débattue dans les plus hautes sphères du gouvernement.

Using 'tested' in a high-level political discussion.

The tested reliability of the source was the only thing keeping the story alive.

La fiabilité éprouvée de la source était la seule chose qui maintenait l'histoire en vie.

Journalistic context regarding source verification.

The tested limits of human performance were pushed even further at the Olympics.

Les limites testées de la performance humaine ont été repoussées encore plus loin aux Jeux olympiques.

Describing the boundaries of physical capability.

The tested validity of the philosophical argument was scrutinized by scholars.

La validité testée de l'argument philosophique a été examinée par les érudits.

Describing the rigorous evaluation of an idea.

The tested resilience of the ecosystem allowed it to recover from the disaster.

La résilience éprouvée de l'écosystème lui a permis de se remettre de la catastrophe.

Environmental context using 'tested' as a measure of strength.

よく使う組み合わせ

time-tested

clinically tested

battle-tested

field-tested

thoroughly tested

rigorously tested

user-tested

tested positive

tested negative

tested patience

よく使うフレーズ

a tested method

— A way of doing something that is known to work. It implies reliability.

She used a tested method to solve the math problem.

tested and true

— Completely reliable and proven over time. Often used for advice.

His advice was tested and true, helping me through the crisis.

fully tested

— Having undergone all necessary checks. No more testing is needed.

The product is fully tested and ready for the market.

extensively tested

— Tested many times or in many different ways. Very high reliability.

The new drug was extensively tested in three different countries.

independently tested

— Tested by a third party, not the manufacturer. Increases trust.

Our products are independently tested for purity.

market-tested

— Tested with real consumers to see if they will buy it.

The product was market-tested in a small city before the national launch.

road-tested

— Tested by driving on real roads. Used for cars and tires.

The new tires were road-tested for over 10,000 miles.

lab-tested

— Tested in a controlled laboratory environment.

These chemicals are lab-tested for safety.

empirically tested

— Tested through observation and experiment rather than theory.

The theory was empirically tested by the research team.

safety-tested

— Specifically checked to ensure it is not dangerous.

All our children's toys are safety-tested.

よく混同される語

tested vs testing

'Testing' is the process (ongoing); 'tested' is the result (completed).

tested vs testable

'Testable' means it can be tested; 'tested' means it has already been tested.

tested vs tasted

'Tasted' refers to flavor; 'tested' refers to examination. They sound similar.

慣用句と表現

"test the waters"

— To try something out first to see if it will be successful. It is the process of creating a 'tested' situation.

I'm going to test the waters by asking my boss for a small raise first.

informal

"put to the test"

— To subject something to a difficult situation to see its true quality. The result is a 'tested' subject.

The new law will be put to the test in the next election.

neutral

"stand the test of time"

— To remain popular or effective for a very long period. This leads to something being 'time-tested'.

Shakespeare's plays have stood the test of time.

neutral

"acid test"

— A definitive test that proves the true value or quality of something.

The acid test for the new manager will be the quarterly sales report.

neutral

"test someone's patience"

— To behave in a way that makes someone feel very annoyed or angry. It describes the state of being 'tested'.

The child's constant screaming tested her mother's patience.

informal

"test the limits"

— To try to see how much of something is possible or allowed.

The explorers wanted to test the limits of human endurance.

neutral

"test one's mettle"

— To see how brave or determined someone is in a difficult situation.

The climb to the summit will test the climbers' mettle.

formal

"test the air"

— To try to find out what people's opinions are before making a decision.

The politician tested the air before announcing his candidacy.

informal

"under the test"

— Currently being examined or tried out.

The new engine is still under the test in the lab.

neutral

"pass the test"

— To succeed in an examination or trial. Once passed, the subject is 'tested' and approved.

The new bridge passed the test for structural safety.

neutral

間違えやすい

tested vs testing

Both are forms of the verb 'test'.

'Testing' is a present participle or gerund describing an action. 'Tested' is a past participle describing a state or completed action.

The testing phase is over, and we now have a tested product.

tested vs testable

Both relate to the possibility of a test.

'Testable' describes a quality of an idea (it is possible to test it). 'Tested' describes the history of the idea (it has been tested).

Your hypothesis is testable, but it has not been tested yet.

tested vs tasted

Similar spelling and pronunciation.

'Tasted' is about the sense of taste. 'Tested' is about examination.

I tested the water for lead, and then I tasted it.

tested vs detested

Similar spelling.

'Detested' means hated. 'Tested' means examined.

He detested being tested on his math skills.

tested vs attested

Similar sound and formal register.

'Attested' means to provide evidence for or certify. 'Tested' means to examine.

The witness attested that the equipment had been tested.

文型パターン

The [noun] is tested.

The milk is tested.

I have a tested [noun].

I have a tested recipe.

We use [adverb] tested [noun].

We use thoroughly tested software.

The [noun] remains [adjective] tested.

The theory remains largely untested.

Having been [adverb] tested, the [noun] was [verb].

Having been rigorously tested, the bridge was opened to traffic.

The [noun]'s tested [abstract noun] was [adjective].

The leader's tested resolve was unshakable.

It is a [compound-adjective] [noun].

It is a time-tested tradition.

The [noun] was tested for [quality].

The toy was tested for safety.

語族

名詞

test

tester

testing

動詞

test

形容詞

tested

testable

untested

testing

使い方

frequency

Common in both spoken and written English, especially in professional contexts.

よくある間違い

Using 'testing' instead of 'tested' for a finished product. → The tested software is ready for use.
'Testing' implies the process is still happening. 'Tested' implies it is finished.
Forgetting the hyphen in 'time-tested'. → This is a time-tested method.
Compound adjectives need a hyphen when they modify a noun that follows them.
Using 'tested' when you mean 'testable'. → Is this hypothesis testable?
'Testable' means it *can* be tested. 'Tested' means it *has* been tested.
Confusing 'tested' with 'tasted'. → I tested the chemicals in the lab.
'Tasted' is for food/flavor. 'Tested' is for examination. They sound similar but are very different.
Using 'tested' to always mean 'successful'. → The theory was tested, but the results were inconclusive.
'Tested' only means the trial happened. It doesn't guarantee a positive result.

ヒント

Use for Reliability

When you want to show that something is trustworthy, use 'tested' or 'time-tested'. It builds confidence in your reader.

Hyphenate Compounds

Remember to hyphenate compound adjectives like 'field-tested' when they come before a noun. This is a common writing error.

Synonym Choice

Choose 'proven' if you want to emphasize success, and 'tested' if you want to emphasize the process of evaluation.

Professional Tone

In business or science, 'tested' is a neutral and professional way to describe verified results.

Metaphorical Use

Don't be afraid to use 'tested' for abstract things like 'tested loyalty'. It makes your speech more expressive.

Watch for Adverbs

Words like 'thoroughly' or 'clinically' are great clues that the speaker is about to use the word 'tested'.

Avoid Overuse

If you use 'tested' too much, try alternatives like 'verified', 'validated', or 'vetted' to keep your writing interesting.

Word Family

Learn 'testable' and 'untested' at the same time as 'tested' to understand the full range of the word's meaning.

Consumer Confidence

If you are writing an ad, 'tested' is a powerful word to make customers feel safe about their purchase.

The 'ed' Sound

Focus on the short 'i' sound in the second syllable. It's a small detail that makes you sound much more like a native speaker.

暗記しよう

記憶術

Think of a 'test' as a 'check.' If something is 'tested,' it has been 'checked' and has a 'best' result. Tested = Bested the challenge.

視覚的連想

Imagine a green check mark on a box. The box has been 'tested' and is now ready to go.

Word Web

Reliable Proven Checked Verified Safe Trial Exam Evidence

チャレンジ

Try to use the word 'tested' in three different ways today: once for a product, once for a person's quality, and once for a method you use.

語源

The word 'tested' comes from the verb 'test,' which has its roots in the Middle English word 'test' (a cupel used for assaying precious metals). This, in turn, comes from the Old French 'test' (an earthen pot) and the Latin 'testum' (an earthen vessel or lid of a pot).

元の意味： The original meaning was related to the process of refining and checking the purity of metals like gold and silver in a pot.

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

文化的な背景

Be careful when using 'tested' to describe people in a medical context (e.g., 'he was tested') as it can imply a serious illness or a drug test.

The phrase 'time-tested' is a very positive descriptor for traditions or recipes in English-speaking countries.

The phrase 'tested to the limit' is often used in car commercials and adventure documentaries. In the movie 'The Right Stuff,' the pilots are constantly being tested for their physical and mental endurance. The 'Pepsi Challenge' was a famous marketing campaign that 'tested' consumers' taste preferences.

実生活で練習する

実際の使用場面

Science and Research

tested hypothesis
tested data
empirically tested
rigorously tested

Product Marketing

clinically tested
safety-tested
market-tested
fully tested

Personal Relationships

tested patience
tested loyalty
tested friendship
tested resolve

Technology and Software

user-tested
unit-tested
tested build
thoroughly tested

Military and Sports

battle-tested
field-tested
tested endurance
tested mettle

会話のきっかけ

"Do you prefer using time-tested methods or trying new, innovative ones?"

"Have you ever had your patience tested by a difficult situation at work?"

"What is one tested recipe that you always use when you have guests?"

"Do you think it's important for all skincare products to be clinically tested?"

"Who is a battle-tested leader that you admire and why?"

日記のテーマ

Describe a time when your resolve was tested. How did you handle the situation and what did you learn?

Write about a time-tested tradition in your family. Why has it lasted so long and what does it mean to you?

If you were designing a new product, what are three ways you would ensure it was thoroughly tested before launch?

Reflect on a friendship that has been tested. What challenges did you face and how did they change the relationship?

Discuss the importance of using tested data in making important life decisions. Can we ever be 100% sure?

よくある質問

10 問

Not necessarily. While it often implies reliability, a 'tested theory' could have been proven wrong. However, in marketing, it is almost always used positively.

'Tested' means the trial occurred. 'Proven' means the trial was successful. Something can be tested but not proven.

Yes, you can describe a person as 'tested' (meaning experienced) or use compound adjectives like 'battle-tested'.

Yes, when it is used as an adjective before a noun (e.g., 'a time-tested method'), you should use a hyphen.

Yes, it is generally considered B1 because it involves understanding the nuance of reliability and verification beyond simple school tests.

It means the test found the presence of whatever was being looked for, such as a disease or a specific substance.

Yes, 'lab-tested food' or 'safety-tested ingredients' are common phrases in the food industry.

The most direct opposite is 'untested'. Other opposites include 'experimental' or 'unproven'.

Yes, lawyers often talk about 'tested evidence' or 'tested legal theories' that have been used in court before.

It is two syllables: TEST-id. The 'ed' sounds like the 'id' in 'lid'.

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