This page in your language

فارسی

العربية

Deutsch

Español

Français

日本語

한국어

Português

中文

हिन्दी

A2 adjective #467 most common 12 min read

common

Top 467

Practice it Examples Notes & Tips common in 30 Seconds

Explanation common in your Level:

At the A1 level, the word 'common' is introduced as a way to describe things that are 'normal' or 'not rare.' Beginners learn that 'common' means something happens a lot. For example, 'A common name is John.' This helps students talk about their daily lives and the world around them using simple categories. They learn to use it with basic nouns like 'name,' 'mistake,' or 'problem.' At this stage, the focus is on the 'frequent' meaning of the word. Teachers often use it to reassure students that making errors is 'common' when learning. This helps build confidence. The grammar is simple: 'It is common.' or 'A common thing.' Students at this level don't need to know the 'shared' meaning yet, as that involves more complex sentence structures. They simply need to understand that if they see something everywhere, it is 'common.' The word is very useful for describing weather, food, and people in a basic way. For instance, 'Rice is common in Asia.' This simple sentence conveys a lot of information using a high-frequency adjective. By the end of A1, a student should be able to recognize 'common' in a sentence and use it to describe frequent objects or events in their immediate environment. It is a building block for more descriptive language later on.

At the A2 level, learners expand their understanding of 'common' to include the idea of 'shared.' This is a significant step because it allows them to talk about relationships and groups. They learn phrases like 'common interests' or 'common goals.' This helps them participate in more social conversations. For example, 'We have a common friend' or 'We share a common interest in football.' At A2, students also begin to see 'common' in fixed expressions like 'common sense' or 'the common cold.' They understand that these are set phrases where the word has a specific meaning. The grammar becomes slightly more varied, as they use 'common' after linking verbs like 'become' or 'seem.' For instance, 'Electric cars are becoming more common.' They also start to use adverbs like 'very' or 'quite' to modify the word. The A2 learner can distinguish between something being 'common' (frequent) and something being 'special' (rare). They use the word to describe social norms and cultural practices. For example, 'It is common to eat bread with dinner in my country.' This level of usage allows for more nuanced descriptions of culture and daily routines. The focus is on practical, everyday communication where 'common' acts as a tool for finding similarities between people and describing the frequency of events in a clear, simple manner.

At the B1 level, students use 'common' with more precision and in a wider range of contexts, including professional and academic settings. They begin to understand the difference between 'common' and its synonyms like 'frequent' or 'typical.' A B1 learner might say, 'It is a common misconception that...' showing they can use the word to introduce and then debunk popular ideas. They also start to use the word in more abstract ways, such as 'common ground' or 'common purpose.' This allows them to engage in discussions about conflict resolution and teamwork. In writing, B1 students use 'common' to summarize data or trends. For example, 'A common trend in modern society is the use of social media.' They also become aware of the comparative and superlative forms 'more common' and 'most common,' using them to make comparisons between different situations or periods. For instance, 'This problem was more common in the past than it is now.' The B1 level also introduces the idea of 'common' in technical contexts, like 'common denominator' in math or 'common ancestor' in science. The learner is now able to use the word not just to describe what they see, but to analyze patterns and relationships in the world around them. Their vocabulary is becoming more flexible, and 'common' is a key part of that flexibility.

At the B2 level, the learner's use of 'common' becomes much more sophisticated. they understand the subtle nuances and potential pitfalls of the word, such as its occasionally negative connotation in certain dialects. A B2 speaker can use 'common' to discuss complex social issues, such as 'the common good' or 'common property.' They are comfortable using the word in formal reports and essays to describe widespread phenomena with statistical weight. For example, 'The common thread running through these case studies is a lack of leadership.' They also use the word in more idiomatic and metaphorical ways. They might talk about someone having the 'common touch,' meaning they can relate to ordinary people. This shows a high level of cultural and linguistic awareness. At B2, the distinction between 'common' and 'mutual' is clearly understood and applied correctly in almost all instances. The learner can also use 'common' in complex grammatical structures, such as 'It is common for [someone] to [do something].' They use the word to build logical arguments, identifying 'common features' or 'common causes' to support their points. The word is no longer just a descriptor; it is a tool for analysis, synthesis, and nuanced social interaction. The B2 learner is also aware of the word's history and its role in legal terms like 'common law,' even if they aren't legal experts.

At the C1 level, the word 'common' is used with complete mastery and an awareness of its stylistic impact. The learner can use it to create specific tones in their writing and speaking, from the clinical and objective to the persuasive and rhetorical. They might use 'commonplace' as a more sophisticated alternative when they want to emphasize that something has become boring or uninteresting due to its frequency. A C1 speaker is also adept at using 'common' in academic discourse, identifying 'common variances' or 'common methodologies' across different fields of study. They can navigate the word's various registers with ease, knowing exactly when 'common' is the right choice and when a more specific term like 'ubiquitous,' 'prevalent,' or 'pervasive' would be more effective. They also understand the historical and literary weight of the word, recognizing it in classic texts where it might carry the older meaning of 'vulgar' or 'low-born.' This deep understanding allows them to interpret complex literature and historical documents accurately. In their own production, they use 'common' to weave together complex ideas, using phrases like 'a common denominator' to simplify and explain multifaceted problems. Their use of the word is seamless, precise, and fully integrated into a broad and sophisticated vocabulary. They can also use it to discuss the philosophy of 'the commons' and its relevance to modern environmental and digital issues.

At the C2 level, the use of 'common' is indistinguishable from that of an educated native speaker. The learner has a profound grasp of the word's etymology, its historical shifts in meaning, and its role in the evolution of the English language. They can use 'common' with extreme precision in highly specialized fields, such as law, linguistics, or philosophy. For example, they might discuss the 'Common European Framework of Reference' itself, understanding the 'common' here refers to a shared standard across diverse nations. They are sensitive to the most subtle connotations of the word, using it to evoke specific emotional or intellectual responses in their audience. A C2 speaker might use 'common' in a rhetorical sense to appeal to universal human experiences, or in a critical sense to deconstruct 'common sense' as a social construct. They are also masters of the word's idiomatic range, using phrases like 'common or garden' (meaning ordinary) or 'to make common cause' (to unite for a purpose) with perfect timing and context. Their writing is characterized by a sophisticated use of 'common' to establish shared premises and build complex, multi-layered arguments. At this level, the word is a finely tuned instrument, used to navigate the highest levels of professional, academic, and creative communication. The C2 learner doesn't just know the word; they understand its place in the fabric of human thought and society.

Practice it Examples Notes & Tips

common in 30 Seconds

Common describes things that are frequent or widespread, such as a common name or a common cold, indicating they are not rare or unique.
It also means 'shared' by two or more people, like having a common goal, a common friend, or a common interest in a hobby.
In certain British contexts, it can negatively describe someone as unrefined, but its primary use is neutral and descriptive of frequency or sharing.
Common is a key part of many everyday phrases like 'common sense,' 'common ground,' and 'common knowledge,' which are essential for natural English.

The word common is a versatile adjective that functions as a cornerstone of the English language, particularly at the A2 level. At its most fundamental level, it describes things that are encountered frequently or are widespread in nature. When we say something is common, we are often making a statistical observation about its prevalence in the world around us. For instance, seeing a pigeon in a city park is a common occurrence because they are found in almost every urban environment. However, the word extends far beyond mere frequency. It also carries the vital meaning of 'shared.' When two people share an interest in jazz music, they have a common interest. This dual nature—meaning both 'frequent' and 'shared'—makes it indispensable for daily communication.

Frequency and Ubiquity: This refers to things that happen often or are found in many places. Examples include common colds, common names like Smith, or common mistakes in grammar. It suggests that the item or event is not rare or unique.

It is a common sight to see people using their phones on the subway.

In social contexts, 'common' can describe the collective ownership or participation of a group. This is where we get terms like 'the common good' or 'common land.' In these instances, the word emphasizes unity and the breaking down of individual barriers. It is the glue that binds a community together through shared resources or goals. Historically, 'the commons' referred to land that everyone in a village could use for grazing animals, highlighting this sense of public accessibility. Even today, when we search for 'common ground' in an argument, we are looking for the areas where our opinions overlap, seeking a shared foundation for agreement.

Shared Ownership or Interest: This usage focuses on things held in joint by two or more parties. A common goal unites a team, while a common ancestor links different species or families.

We found common ground during the long negotiation process.

Furthermore, 'common' can sometimes have a slightly negative or elitist connotation, especially in British English, where it might describe something as being 'low-class' or lacking in refinement. However, in modern global English, this usage is becoming less frequent, and the word is primarily used in its neutral, descriptive sense. Understanding the nuance between 'common' (frequent) and 'ordinary' (unremarkable) is key. While something common is frequent, something ordinary is just not special. A common bird might still be extraordinary in its beauty, but because there are many of them, we call it common. This distinction allows speakers to describe the world with statistical accuracy without necessarily passing judgment on the quality of the object being described.

The Concept of 'Common Sense': This is a vital phrase meaning sound practical judgment that is independent of specialized knowledge. It is the 'common' wisdom shared by most people.

It is common sense to wear a coat when it is snowing outside.

The common cold is caused by various types of viruses.

They are working toward a common purpose to save the local library.

Using 'common' correctly requires an understanding of its placement within a sentence and the nouns it typically modifies. As an adjective, it most frequently appears before a noun (attributive position) or after a linking verb like 'is' or 'seems' (predicative position). When used before a noun, it sets a baseline for the listener's expectations. For example, 'a common problem' suggests that the problem is one the listener has likely heard of before. This helps in establishing a shared context quickly, which is why it is so prevalent in instructional and educational writing.

Attributive Usage: Placed directly before the noun: 'Common knowledge,' 'Common practice,' 'Common goal.' This is the most direct way to modify a noun's status.

It is common practice to shake hands when meeting someone new.

In the predicative position, 'common' often follows the verb 'to be.' For instance, 'Mistakes are common when learning a new language.' Here, the word acts as a descriptor for the subject 'Mistakes.' This structure is particularly useful for giving advice or normalizing experiences. By stating that something is common, you are often reassuring the listener that their experience is normal and shared by others. This is a powerful tool in empathetic communication. Additionally, 'common' can be modified by adverbs to show degree, such as 'very common,' 'quite common,' or 'extremely common,' allowing for precision in describing frequency.

Predicative Usage: Used after a verb: 'The flu is common in winter.' This structure emphasizes the state or quality of the subject.

Rain is more common in Seattle than in Phoenix.

When using 'common' to mean 'shared,' it often appears in phrases involving two or more entities. 'They have a common interest in photography' implies a link between 'they.' In this sense, 'common' acts as a bridge. It is also used in mathematical and scientific contexts, such as 'common denominator' or 'common ancestor.' In these technical fields, the word retains its core meaning of 'shared' but applies it to abstract concepts or biological lineages. Understanding these patterns allows a learner to transition from basic descriptions to more complex, multi-layered sentences that describe relationships and patterns in the world.

Comparative Structures: Use 'common to' when describing something shared by specific things: 'Features common to all mammals include hair and milk production.'

The two languages share a common root in Latin.

Is it common for students to work part-time here?

This is a common misconception about how the brain works.

In everyday life, 'common' is a high-frequency word that you will encounter in various settings, from casual conversations to formal news reports. In a medical setting, doctors often talk about 'common symptoms' to help patients understand what to expect from an illness. This helps manage anxiety by framing the patient's experience as typical rather than alarming. On the news, you might hear about 'common concerns' among voters, which groups individual opinions into a collective narrative. This usage helps summarize complex social data into understandable trends.

In Healthcare: Used to describe symptoms or illnesses that affect many people, such as the 'common cold' or 'common side effects' of a medication.

Fatigue is a common side effect of this treatment.

In the world of technology and the internet, 'common' appears in FAQs (Frequently Asked Questions) and troubleshooting guides. 'Common issues' are the problems that users encounter most often, and providing solutions for them is a standard part of customer support. In programming, 'common libraries' or 'common code' refers to snippets of logic that are reused across different parts of an application. This highlights the word's role in describing efficiency and standardization in technical environments. Even in social media, we see 'common interests' being used by algorithms to suggest friends or groups, showing how the 'shared' meaning of the word drives digital connection.

In Technology: Refers to standard protocols, frequent bugs, or shared resources. 'Common Gateway Interface' (CGI) is a classic example from web history.

Check the FAQ for solutions to common login problems.

In legal and political discourse, 'common law' is a major legal system based on custom and court rulings rather than just written statutes. This reflects the word's roots in the idea of community-held standards. Politicians often appeal to the 'common man' or 'common woman' to present themselves as relatable and grounded. While this can sometimes be a rhetorical tactic, it underscores the word's association with the majority of the population. Whether it's 'common sense' in a debate or 'common ground' in a peace treaty, the word is a vital tool for finding unity in a diverse world. It reminds us that despite our differences, there are many things we all share.

In Law and Politics: Terms like 'Common Law,' 'House of Commons,' and 'Common Wealth' all derive from the idea of shared public interest and community.

The House of Commons is where elected officials meet in the UK.

It is a common goal for all nations to reduce carbon emissions.

They share a common language, which makes trade much easier.

One of the most frequent errors learners make is confusing 'common' with 'mutual.' While they are related, they are not always interchangeable. 'Common' is used for things shared by a group or found in many places, whereas 'mutual' specifically describes a relationship or feeling that is reciprocal between two or more people. For example, you have a 'common friend' if you and another person both know the same third person. However, if you and that person both respect each other, you have 'mutual respect.' Using 'common' in place of 'mutual' can sound slightly off-natural to native speakers, though the meaning is usually still clear.

Common vs. Mutual: 'Common' = shared by many or frequent. 'Mutual' = directed by each toward the other. Use 'mutual' for feelings like respect, trust, or dislike.

Incorrect: We have a common respect for each other. Correct: We have a mutual respect.

Another mistake involves the word's negative connotation in certain dialects. In some British English contexts, calling someone 'common' can be an insult, implying they are unrefined or low-class. Learners should be careful when using the word to describe people directly. It is much safer to use 'common' to describe things, behaviors, or interests. For instance, saying 'He is a common man' might be intended as a compliment (meaning he is relatable), but it could be misinterpreted. To avoid this, use 'ordinary' or 'average' when describing people in a neutral way, and reserve 'common' for shared attributes or frequency of occurrence.

The 'Low-Class' Trap: Be aware that in the UK, 'common' can be a derogatory term for someone perceived as lacking social class. Avoid using it as a direct descriptor for a person's character.

It is common to feel nervous before a big presentation.

Lastly, learners sometimes struggle with the comparative and superlative forms. While 'commoner' and 'commonest' technically exist, they sound archaic or overly formal in most modern contexts. The standard modern usage is 'more common' and 'most common.' Using the '-er' or '-est' endings can make your speech sound slightly dated. Additionally, remember that 'common' is an adjective, not a noun (except in specific historical or legal contexts like 'the commons'). Using it as a noun in everyday speech, like 'The common of this is...', is grammatically incorrect. Always ensure it is modifying a noun or following a linking verb.

Comparatives and Superlatives: Stick to 'more common' and 'most common' for a natural, modern sound. 'Commoner' usually refers to a person who is not royalty.

This error is more common than you might think.

The most common reason for failure is a lack of preparation.

They found common ground despite their different backgrounds.

To truly master 'common,' it is helpful to understand its synonyms and how they differ in nuance. 'Frequent' is a close synonym but focuses specifically on time and repetition. While a 'common event' happens often, a 'frequent visitor' comes many times. 'Frequent' is more about the count of occurrences, whereas 'common' is about the general prevalence. 'Widespread' is another alternative, but it emphasizes geographical distribution. A 'widespread belief' is held by people across a large area, while a 'common belief' is simply one that many people hold, regardless of where they are.

Common vs. Frequent: 'Common' describes how usual something is. 'Frequent' describes how often something happens. They often overlap but aren't identical.

Earthquakes are common in Japan, but they aren't always frequent in every city.

When 'common' means 'shared,' alternatives include 'joint,' 'collective,' and 'mutual.' 'Joint' is often used in legal or formal contexts, like a 'joint bank account' or a 'joint venture.' It implies a formal agreement to share. 'Collective' emphasizes the group as a whole, such as 'collective responsibility.' 'Mutual,' as discussed before, focuses on the reciprocal nature of a relationship. Choosing the right word depends on whether you want to emphasize the sharing itself (joint), the group involved (collective), or the back-and-forth nature of the connection (mutual). 'Common' remains the most general and widely applicable of these terms.

Common vs. Ordinary: 'Common' means frequent or shared. 'Ordinary' means normal or not special. An ordinary day is a typical day, but a common day isn't a standard phrase.

The common goal of the team was to win the championship.

Finally, consider 'standard' and 'typical.' 'Standard' implies a set rule or a level of quality that is expected, like 'standard procedure.' 'Typical' focuses on the characteristics that represent a group, like a 'typical Monday.' While 'common' can overlap with these, it doesn't carry the same sense of 'requirement' that 'standard' does, nor the sense of 'representative example' that 'typical' does. By learning these distinctions, you can move beyond simple descriptions and start using English with the precision of a native speaker. 'Common' is your starting point, but these other words allow you to add specific shades of meaning to your sentences.

Common vs. Universal: 'Common' means many people do it. 'Universal' means everyone does it. A common language is spoken by many; a universal language would be spoken by all.

It is a common sight to see tourists in this part of town.

They share a common history of struggle and triumph.

The common denominator in all these cases was a lack of communication.

How Formal Is It?

Formal

Neutral

Informal

Child friendly

Slang

Fun Fact

The 'House of Commons' in the UK Parliament is named after the 'communes' (the communities/towns), not because it was for 'common' (poor) people.

Pronunciation Guide

UK /ˈkɒm.ən/

US /ˈkɑː.mən/

The stress is on the first syllable: COM-mon.

Rhymes With

Phenomenon (near rhyme) Mammon Salmon (near rhyme) Gammon Ammon Backgammon Persimmon (near rhyme) Summon (near rhyme)

Common Errors

Pronouncing the 'o' in the second syllable clearly like 'on'. It should be a weak schwa.
Confusing the vowel sound with 'come'.
Stressing the second syllable.
Adding a 'u' sound like 'comm-u-on'.
Making the 'm' sound too short; it is a double 'm' but pronounced as one longish 'm'.

Difficulty Rating

Reading 2/5

Easy to recognize in most texts as it is a high-frequency word.

Writing 3/5

Requires care to distinguish from 'mutual' or 'frequent'.

Speaking 2/5

Very useful for daily conversation and easy to pronounce.

Listening 2/5

Easily understood, though the schwa sound at the end can be subtle.

What to Learn Next

Prerequisites

Same Often Many Share Normal

Learn Next

Mutual Frequent Ordinary Typical Standard

Advanced

Ubiquitous Prevalent Pervasive Commonality Communal

Grammar to Know

Adjective Order

A common red bird (Common comes before the color).

Predicative Adjectives

The problem is common (Common follows the verb 'is').

Comparatives with 'More'

This is more common than that (Use 'more' instead of 'commoner').

Infinitive Phrases

It is common to see... (Used as a dummy subject 'it').

Prepositional Phrases

Common to all... (Used to show distribution).

Examples by Level

Smith is a common name in England.

Smith est un nom commun en Angleterre.

Adjective before a noun.

It is common to see birds in the park.

Il est courant de voir des oiseaux dans le parc.

Used with 'It is... to'.

The common cold makes you sneeze.

Le rhume commun vous fait éternuer.

Fixed phrase 'common cold'.

Rice is common food in many countries.

Le riz est un aliment courant dans de nombreux pays.

Adjective modifying 'food'.

Is this a common problem?

Est-ce un problème courant ?

Question form.

They have a common room in the school.

Ils ont une salle commune à l'école.

Meaning 'shared'.

Dogs are common pets.

Les chiens sont des animaux de compagnie courants.

Plural noun following the adjective.

It is a common mistake to forget your keys.

C'est une erreur courante d'oublier ses clés.

Adjective modifying 'mistake'.

We have many common interests, like music and art.

Nous avons de nombreux intérêts communs, comme la musique et l'art.

Meaning 'shared'.

It is common sense to lock the door at night.

C'est du bon sens de verrouiller la porte la nuit.

Fixed phrase 'common sense'.

They are working for a common goal.

Ils travaillent pour un but commun.

Adjective modifying 'goal'.

This plant is common in this area.

Cette plante est courante dans cette région.

Predicative adjective after 'is'.

We found common ground during the meeting.

Nous avons trouvé un terrain d'entente pendant la réunion.

Idiom 'common ground'.

It is common for people to travel by bus here.

Il est courant que les gens voyagent en bus ici.

Structure: It is common for [someone] to [do].

The two brothers share a common bedroom.

Les deux frères partagent une chambre commune.

Meaning 'shared'.

Is it common to tip in this restaurant?

Est-il courant de laisser un pourboire dans ce restaurant ?

Inquiry about social norms.

It is a common misconception that all spiders are dangerous.

C'est une idée fausse courante que toutes les araignées sont dangereuses.

Noun phrase 'common misconception'.

The common denominator in these accidents was speed.

Le dénominateur commun de ces accidents était la vitesse.

Metaphorical use of a math term.

They made common cause to fight the new law.

Ils ont fait cause commune pour combattre la nouvelle loi.

Idiom 'make common cause'.

This software has several common features with the older version.

Ce logiciel a plusieurs fonctionnalités communes avec l'ancienne version.

Meaning 'shared features'.

It is becoming more common for people to work from home.

Il devient plus courant pour les gens de travailler à domicile.

Comparative 'more common'.

The book describes the life of the common people in the 1800s.

Le livre décrit la vie des gens du commun dans les années 1800.

Referring to the general population.

We need to find a common language to solve this problem.

Nous devons trouver un langage commun pour résoudre ce problème.

Metaphorical use of 'language'.

Common sense dictates that we should save money for the future.

Le bon sens dicte que nous devrions économiser de l'argent pour l'avenir.

Personification of 'common sense'.

The common good should always be prioritized over individual profit.

Le bien commun devrait toujours être privilégié par rapport au profit individuel.

Political/Ethical term 'common good'.

These two species share a common ancestor from millions of years ago.

Ces deux espèces partagent un ancêtre commun d'il y a des millions d'années.

Scientific term 'common ancestor'.

It is common practice in this industry to sign a non-disclosure agreement.

Il est de pratique courante dans cette industrie de signer un accord de non-divulgation.

Professional term 'common practice'.

The politician tried to appeal to the common man.

Le politicien a essayé de plaire à l'homme de la rue.

Rhetorical term 'common man'.

Common law is based on judicial decisions rather than statutes.

Le droit coutumier est basé sur les décisions judiciaires plutôt que sur les lois.

Legal term 'common law'.

There is a common thread of sadness throughout the movie.

Il y a un fil conducteur de tristesse tout au long du film.

Metaphorical 'common thread'.

The most common reason for business failure is poor cash flow.

La raison la plus courante de l'échec d'une entreprise est un mauvais flux de trésorerie.

Superlative 'most common'.

They have nothing in common despite being twins.

Ils n'ont rien en commun bien qu'ils soient jumeaux.

Phrase 'have [nothing] in common'.

The use of smartphones has become so common as to be unremarkable.

L'utilisation des smartphones est devenue si courante qu'elle n'est plus remarquable.

Structure: so [adj] as to be [adj].

He has the common touch, which makes him a very effective leader.

Il a le contact facile avec les gens simples, ce qui fait de lui un leader très efficace.

Idiom 'the common touch'.

The tragedy of the commons explains why shared resources are often overexploited.

La tragédie des biens communs explique pourquoi les ressources partagées sont souvent surexploitées.

Economic/Philosophical concept.

It is common knowledge among experts that the climate is changing rapidly.

Il est de notoriété publique parmi les experts que le climat change rapidement.

Phrase 'common knowledge'.

The commonality of their experiences created a strong bond between them.

Le caractère commun de leurs expériences a créé un lien fort entre eux.

Using the noun form 'commonality'.

In some circles, his behavior was dismissed as being rather common.

Dans certains milieux, son comportement était rejeté comme étant plutôt vulgaire.

Pejorative meaning (British English).

The common denominator of all successful projects is clear communication.

Le dénominateur commun de tous les projets réussis est une communication claire.

Analytical usage.

They sought to establish a common market to facilitate trade.

Ils ont cherché à établir un marché commun pour faciliter le commerce.

Economic term 'common market'.

The poem explores the common lot of humanity: birth, love, and death.

Le poème explore le sort commun de l'humanité : la naissance, l'amour et la mort.

Literary phrase 'the common lot'.

Such occurrences are now so commonplace that they barely warrant a mention in the press.

De tels événements sont maintenant si banals qu'ils méritent à peine d'être mentionnés dans la presse.

Using 'commonplace' for stylistic effect.

The doctrine of common purpose allows for the prosecution of all members of a group for a single crime.

La doctrine de l'intention commune permet de poursuivre tous les membres d'un groupe pour un seul crime.

Advanced legal doctrine.

His argument relies on a common-sense understanding of physics that is actually flawed.

Son argument repose sur une compréhension du bon sens de la physique qui est en fait erronée.

Critique of 'common sense'.

The commonality of the human condition transcends all cultural boundaries.

Le caractère commun de la condition humaine transcende toutes les frontières culturelles.

Philosophical usage.

The 'common or garden' variety of this problem is easily solved.

La variété 'ordinaire' de ce problème est facilement résolue.

Idiom 'common or garden'.

They were united by a common grievance against the administration.

Ils étaient unis par un grief commun contre l'administration.

Formal usage 'common grievance'.

The commonality of interests between the two nations led to a strategic alliance.

La communauté d'intérêts entre les deux nations a conduit à une alliance stratégique.

Geopolitical usage.

Synonyms

usual frequent ordinary standard shared widespread

Antonyms

rare unusual unique

Common Collocations

Common mistake

Common interest

Common sense

Common ground

Common cold

Common knowledge

Common goal

Common practice

Common denominator

Common ancestor

Common Phrases

In common

— Shared by two or more people. It describes having the same interests or traits.

We have a lot in common.

Common or garden

— Very ordinary or unremarkable. It is a British idiom for something standard.

It's just a common or garden variety of spider.

The common good

— The benefit or interests of all people in a group or society. It is a moral and political concept.

We must act for the common good.

Common law

— A legal system based on custom and court rulings. It is used in the UK, US, and other countries.

Common law has evolved over centuries.

Common sense

— Practical judgment that most people have. It is not learned from books.

Common sense tells you not to touch a hot stove.

Common ground

— Areas of agreement between people who otherwise disagree. It is used in negotiations.

They finally found common ground on the budget.

Common knowledge

— Something that everyone knows. It does not need to be proven.

It is common knowledge that he is leaving the company.

Common practice

— The usual way of doing something. It is a standard procedure.

It is common practice to arrive ten minutes early.

Common thread

— A theme or feature that connects different things. It is a metaphorical link.

There is a common thread of hope in all her stories.

Common people

— The ordinary people in a society, as opposed to the elite or wealthy. It can be neutral or slightly political.

The revolution was led by the common people.

Often Confused With

common vs Mutual

Mutual is for two-way feelings; common is for shared traits or frequency.

common vs Frequent

Frequent is about how often; common is about how usual.

common vs Ordinary

Ordinary is about being average; common is about being widespread.

Idioms & Expressions

"Find common ground"

— To find things that you can agree on when you have different opinions. It is essential for peace.

The two countries are trying to find common ground.

Neutral

"Make common cause"

— To act together with someone else to achieve a goal. It implies a temporary alliance.

Environmentalists and local farmers made common cause against the new factory.

Formal

"The common touch"

— The ability to communicate with and be liked by ordinary people. It is a trait of good leaders.

The princess was loved because she had the common touch.

Neutral

"Common or garden"

— Completely ordinary; nothing special. It is often used to describe everyday objects.

It was just a common or garden cold, nothing serious.

Informal (British)

"Common as muck"

— Very unrefined or low-class. This is a derogatory British idiom.

She thinks she's fancy, but she's as common as muck.

Slang/Insulting

"A common denominator"

— A feature shared by all members of a group. It is used to find the root of a problem.

Stress is the common denominator in many health issues.

Neutral

"Common sense is not so common"

— A witty saying implying that many people lack basic practical judgment. It is often attributed to Voltaire.

He forgot his umbrella again; common sense is not so common.

Informal

"For the common good"

— Doing something to help everyone, even if it is difficult for you. It is a selfless act.

They sacrificed their weekend to work for the common good.

Formal

"Common knowledge"

— Information that is widely known and accepted. It is often used to dismiss a claim as obvious.

It's common knowledge that the team is struggling.

Neutral

"The common lot"

— The normal experience or fate of all humans. It is a poetic way to describe life's struggles.

Sickness and old age are the common lot of mankind.

Literary

Easily Confused

common vs Commonly

It's the adverb form.

Common is an adjective (modifies nouns); commonly is an adverb (modifies verbs/adjectives).

This is a common error. This error is commonly made.

common vs Communal

Both mean shared.

Communal usually refers to physical spaces or living arrangements shared by a community.

They live in a communal house.

common vs Vulgar

Old meaning of common.

Vulgar is always negative; common is usually neutral but can be negative in specific UK contexts.

His language was vulgar.

common vs Universal

Both mean found everywhere.

Universal means 100% of the time/everywhere; common just means a lot of the time.

Gravity is a universal force.

common vs Typical

Both describe what is normal.

Typical refers to the qualities that represent a group; common refers to how many there are.

It was a typical rainy day.

Sentence Patterns

A common [noun] is [name].

A common name is Mary.

We have [something] in common.

We have a hobby in common.

It is common to [verb].

It is common to eat late here.

It is a common misconception that [clause].

It is a common misconception that cats hate water.

[Noun] is more common than [noun].

Rain is more common than snow.

The common [noun] of [group] is [thing].

The common goal of the team is victory.

Common to all [plural noun] is [feature].

Common to all mammals is the production of milk.

The tragedy of the commons suggests [clause].

The tragedy of the commons suggests that shared resources fail.

Word Family

Nouns

Adjectives

How to Use It

frequency

Very High (Top 1000 words in English).

Common Mistakes

We have a common respect. → We have a mutual respect.
Respect is a feeling between two people, so 'mutual' is the correct word.
This is a commonly mistake. → This is a common mistake.
You need an adjective (common) to modify the noun (mistake), not an adverb (commonly).
He is more commoner than his brother. → He is more common than his brother.
Don't use 'more' and '-er' together. Also, 'more common' is preferred over 'commoner'.
They share a common of interests. → They share common interests.
Common is an adjective here; you don't need 'of' after it.
It is common that people like pizza. → It is common for people to like pizza.
The standard pattern is 'It is common for [someone] to [do something].'

Tips

Use for Normalizing

If someone is worried about a mistake, say 'It's a common error.' This makes them feel better by showing they aren't alone.

Linking Verbs

Remember that 'common' can follow verbs like 'is,' 'seems,' 'appears,' and 'becomes.' Example: 'This name is becoming more common.'

Avoid Overuse

If you find yourself using 'common' too much, try 'widespread' for locations or 'frequent' for events.

UK Caution

Be careful in England! Calling a person's accent 'common' is a big insult. Use 'regional' or 'local' instead.

Common Sense

This is one of the most useful phrases in English. Use it to describe practical, everyday wisdom.

Common Misconception

This is a great phrase to start an essay. It helps you introduce a topic by saying what people get wrong about it.

Finding Connections

When meeting someone new, ask 'What do we have in common?' to find shared interests quickly.

Common Thread

Use this phrase in literature or history papers to describe a theme that appears in many different places.

The Weak Ending

Don't say 'com-MON' with a strong 'O'. Say 'com-mun' with a very soft, lazy 'u' sound.

Commonplace

Use 'commonplace' as an adjective when you want to sound more advanced. 'Video calls are now commonplace.'

Memorize It

Mnemonic

Think of 'COM' as 'CO-sharing' and 'MON' as 'Many'. Common = Co-shared by Many.

Visual Association

Imagine a public park (a common area) where many people (common sight) are all eating apples (common food).

Word Web

Shared Frequent Public Ordinary Normal Typical Widespread Universal

Challenge

Try to use 'common' in three different ways today: once for frequency, once for sharing, and once in a fixed phrase like 'common sense'.

Word Origin

Derived from the Old French 'comun', which comes from the Latin 'communis'. The Latin root is a combination of 'com-' (together) and 'munis' (bound, under obligation).

Original meaning: Originally, it meant 'shared by all' or 'public.' It referred to things that belonged to the whole community rather than individuals.

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

Cultural Context

Avoid calling a person 'common' in the UK unless you intend to be insulting about their social status.

In the US, 'common' is almost always neutral. In the UK, be careful using it to describe people's manners or accents.

Common Sense by Thomas Paine (a famous pamphlet that inspired the American Revolution). Common (an American rapper and actor). The Common People (a famous song by the band Pulp about class tourism).

Practice in Real Life

Real-World Contexts

Medical

Common symptoms
Common cold
Common side effects
Common treatment

Social

Common interests
Common friends
In common
Common ground

Academic

Common themes
Common mistakes
Common features
Common denominator

Legal/Political

Common law
Common good
Common wealth
Common purpose

Daily Life

Common sense
Common occurrence
Common practice
Common knowledge

Conversation Starters

"Do you and your best friend have many common interests?"

"What is a common mistake people make when visiting your country?"

"Is it common for people in your city to commute by bike?"

"How do you find common ground with someone you disagree with?"

"What are some common foods that everyone likes in your culture?"

Journal Prompts

Write about a time you found common ground with an enemy or a stranger.

Describe a common sight in your neighborhood that makes you feel at home.

What does 'common sense' mean to you? Give an example of when it saved you.

List five things you have in common with a family member and how they affect your relationship.

Discuss a common misconception about your job or hobby that you would like to correct.

Frequently Asked Questions

10 questions

Technically yes, but it sounds very old-fashioned. In modern English, it is much better to say 'more common.' Also, 'a commoner' is a noun meaning a person who is not royalty.

They are very similar. 'Shared' is a verb-based adjective that implies the act of sharing. 'Common' is a pure adjective that describes the state of being shared. You can say 'a common interest' or 'a shared interest' with almost no difference.

It is two words: 'common sense.' However, when you use it as an adjective before a noun, you can hyphenate it: 'a common-sense approach.'

In the United States, no. In the United Kingdom, it can be quite rude as it implies the person is low-class or uneducated. Use 'ordinary' or 'typical' instead to be safe.

It is a phrase used to show that two or more people have the same interests, experiences, or traits. For example, 'We have a love for pizza in common.'

Yes, but usually in the plural: 'the commons.' This refers to land that everyone can use or the lower house of a parliament (like the House of Commons).

In math, it's the bottom number of fractions. In conversation, it's a feature that all members of a group share. For example, 'The common denominator in all these movies is the hero's journey.'

You can use it to describe illnesses that many people get. 'The common cold is a viral infection.' or 'Back pain is a common complaint among office workers.'

It is a metaphorical 'place' where two people with different opinions can agree. 'Even though they belong to different parties, they found common ground on environmental issues.'

Usually, it is neutral. It just describes frequency. However, it can be negative if it implies something is 'cheap' or 'not special,' or if used as a class-based insult in the UK.