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B1 noun, verb #35 le plus courant 13 min de lecture

functions

Top 35

Entraîne-toi Exemples Notes et astuces functions en 30 secondes

Explication functions in your Level:

At the A1 level, you should know that 'functions' is related to the word 'work.' When we say a machine 'functions,' we mean it works or it is not broken. For example, 'My phone functions well.' You might also see it in very simple math, like '1 + 1 = 2' being a simple function. At this stage, just think of it as a fancy way to say 'works' or 'does a job.' It is important to remember that for one thing, we say 'it functions,' and for many things, we say 'they function.' You don't need to worry about the social event meaning yet, but you should recognize the word when you see it on signs, like 'Not Functioning' on a broken elevator. This word helps you describe if things are okay or if they need to be fixed. It is a very useful word for basic troubleshooting in daily life. Try to use it when you are talking about your computer, your car, or your toys. It makes your English sound a little more grown-up than just saying 'it is good.'

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At the A2 level, you can start using 'functions' to describe the purpose of things. For example, 'The function of a pen is to write.' You are moving beyond just saying 'it works' to explaining 'what it does.' You might also hear about 'body functions' like breathing or eating. In your studies, you might see the word in science class. It is also a good time to learn that 'functions' can be a verb. 'This room functions as a bedroom' means the room is used for sleeping. You can use this to describe your home or your school. You should also be aware that 'functions' is the plural of 'function.' So, if a machine does three things, it has three functions. This helps you give more detail when you are describing objects. You are starting to see that one word can have a few different uses. Keep practicing by looking at objects around you and asking, 'What are the functions of this object?' This will help you remember the word and use it correctly in sentences.

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At the B1 level, you should be comfortable using 'functions' in both professional and social contexts. You should know that 'functions' can mean formal social events. If your boss says, 'We have several functions to attend this month,' they mean official dinners or meetings. You should also be able to use the word in more complex sentences about how systems work. For example, 'The government functions best when everyone participates.' You are now using the word to talk about abstract ideas, not just physical machines. You should also understand the difference between 'function' and 'functional.' If something is 'functional,' it is useful and works well. This level requires you to use the word to describe roles in a team. 'What are your functions in this project?' is a common question in a workplace. You are expected to know that 'functions' often takes the preposition 'as' when it's a verb. You should also be able to recognize the word in news articles or more detailed instructions. It is a key word for moving from basic English to more professional, intermediate English.

At the B2 level, you should use 'functions' with precision in academic and technical writing. You should understand the concept of 'executive functions' in psychology or 'logistical functions' in business. You should be able to discuss the 'functions of the state' or 'the functions of language' in a sophisticated way. At this level, you should also be aware of the word's use in mathematics and computer science as a specific relationship or a block of code. You should be able to use synonyms like 'roles,' 'responsibilities,' or 'operations' and know when 'functions' is the better choice. You should also be careful with the register; you know that 'functions' is more formal than 'works.' You can use it to describe complex interactions, such as 'The ecosystem functions through a delicate balance of species.' Your grammar should be perfect, especially subject-verb agreement and the use of 'functions' as a plural noun. You are now using the word to explain not just what something does, but how it contributes to a larger system. This is a vital word for passing exams like IELTS or TOEFL, where you need to describe processes and systems.

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At the C1 level, you should have a deep understanding of the nuances of 'functions.' You can use it in highly specialized contexts, such as 'manifest and latent functions' in sociology or 'recursive functions' in programming. You should be able to use the word metaphorically, such as 'The city functions as a giant organism.' You are expected to understand the historical and etymological roots of the word, which relate to performance and duty. Your use of the word should be natural and varied. You can use it to describe the 'multifarious functions' of a complex organization. You should also be able to critique the 'functionality' of a design or a policy. At this level, you are not just using the word; you are using it to build complex arguments. You understand that 'functions' can imply a sense of necessity—that something must perform its function for the system to survive. You can also use the word in formal invitations or when discussing high-level social protocols. Your vocabulary is rich enough that you choose 'functions' specifically because it conveys a sense of systematic operation that other words lack.

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At the C2 level, you have complete mastery over 'functions' and all its technical, social, and abstract applications. You can use it in philosophical discussions about 'functionalism' or in advanced scientific discourse about 'structure-function relationships.' You understand the most subtle connotations of the word, such as how it can sound dehumanizing when applied to people or how it can imply a rigid, mechanical view of the world. You can use the word in creative writing to create a specific tone, perhaps a cold, clinical atmosphere. You are also aware of rare or archaic uses of the word. Your ability to switch between the mathematical, social, and biological meanings is seamless. You can explain the 'functions' of a complex legal statute or a piece of classical music. You are a master of the word's collocations and can use it in idiomatic expressions with ease. At this level, 'functions' is just one tool in your vast linguistic toolbox, and you use it with the precision of a native expert. You can even use it to discuss the 'functions' of language itself, reflecting on how we use words to achieve social and cognitive goals.

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Entraîne-toi Exemples Notes et astuces

functions en 30 secondes

Functions can be a noun meaning 'purposes' or 'roles,' or a verb meaning 'to work' or 'to operate' in a specific way.
In social contexts, functions are formal events like weddings or business dinners that follow a specific protocol or schedule.
In technical fields like math and programming, functions are rules or blocks of code that process inputs to provide specific outputs.
The word is essential for describing how biological organs, machines, and social institutions contribute to the survival of a larger system.

The word functions is a highly versatile term in the English language, serving as both a plural noun and the third-person singular form of a verb. At its core, the term relates to the purpose, operation, or specific role that something or someone fulfills within a larger system. Whether you are discussing the biological processes of the human body, the technical operations of a computer program, or the social responsibilities of a government official, the concept of functions remains central to understanding how things work and why they exist. Understanding this word requires a multi-faceted approach because its meaning shifts slightly depending on the context—ranging from mathematical relationships to formal social gatherings.

Functional Purpose: This refers to the natural or intended action of a thing. For example, the functions of the lungs include the exchange of oxygen and carbon dioxide. In this sense, a function is the 'job' that a part of a system is designed to perform.

The primary functions of the software are to encrypt data and manage user permissions securely.

In a professional or organizational setting, functions describe the specific duties or departments within a company. You might hear about 'human resources functions' or 'marketing functions.' Here, the word categorizes activities based on their specialized goals. Furthermore, in mathematics and computer science, a function is a specific rule or block of code that takes an input and produces a consistent output. This technical usage emphasizes the predictability and logical structure of the process. When used as a verb, 'functions' describes the act of working or operating in a specific way, often highlighting that something is performing its intended role correctly despite potential challenges.

Social Events: Interestingly, 'functions' also refers to formal social gatherings or ceremonies. These are typically official events like weddings, charity galas, or corporate dinners. In this context, the word implies a level of formality and structured protocol.

The ambassador is required to attend several diplomatic functions throughout the month of December.

The word is ubiquitous in academic writing because it allows researchers to describe the utility of various components without assigning human-like intent. Instead of saying a leaf 'wants' to catch sunlight, a scientist says the leaf 'functions' to capture solar energy for photosynthesis. This neutrality makes it an essential tool for objective description across all scientific disciplines, from sociology to physics.

Operational Status: When we say a machine 'functions,' we are confirming that it is in working order. It is the opposite of being broken or malfunctioning. This usage is common in troubleshooting and technical support.

Despite its age, the vintage clock still functions perfectly and keeps accurate time.

In summary, 'functions' is a bridge between the 'what' and the 'how.' It explains the purpose of an object (the noun) and describes the action of that object in motion (the verb). Its prevalence in both high-level academic discourse and everyday conversation about broken appliances makes it a cornerstone of functional English literacy.

Mastering the use of functions requires an understanding of its dual nature as a noun and a verb. When used as a plural noun, it often follows possessive adjectives or 'the' to identify the specific roles of a subject. When used as a verb, it must agree with a singular subject in the third person. This section explores the grammatical structures and common patterns that will help you use the word with precision and confidence in various writing and speaking scenarios.

The Noun: Identifying Roles: As a noun, 'functions' usually appears in the plural. It is frequently paired with the preposition 'of' to specify what the functions belong to. For example, 'the functions of government' or 'the functions of the brain.' It can also be modified by adjectives to describe the type of function, such as 'essential functions' or 'administrative functions.'

One of the most important functions of a manager is to provide clear feedback to their team members.

When referring to social events, 'functions' is often used with verbs like 'attend,' 'host,' or 'organize.' In this context, it is almost always plural unless you are referring to a specific 'function' (singular). For example, 'She has to attend three different functions this weekend.' This usage is slightly more formal than saying 'parties' or 'get-togethers.'

The Verb: Describing Operation: As a verb, 'functions' is the third-person singular present tense of 'to function.' It describes how something works. It is often followed by adverbs like 'well,' 'properly,' 'smoothly,' or 'efficiently.' It can also be followed by 'as' to indicate a role: 'The community center functions as a shelter during emergencies.'

The old heating system still functions, but it is not very energy-efficient compared to modern models.

In technical writing, you might see 'functions' used to describe the behavior of a variable or a piece of machinery. 'If the temperature exceeds 100 degrees, the safety valve functions automatically to release pressure.' This highlights a cause-and-effect relationship where the 'functioning' is a response to a specific condition.

Mathematical and Logical Usage: In math, we say 'y functions as a variable of x.' This implies a strict relationship. In programming, 'functions' are called or executed. 'The script contains several functions that handle the database connection and data retrieval.'

The program functions by iterating through the list and calculating the sum of all integers.

By paying attention to whether you are describing a 'thing' (noun) or an 'action' (verb), you can avoid common grammatical errors. Always check for subject-verb agreement: 'The machines function' (plural subject) versus 'The machine functions' (singular subject). This distinction is vital for clear communication in both professional and academic environments.

The word functions is a staple in professional, scientific, and social environments. You are likely to encounter it in settings where systems, roles, and organized events are discussed. From the boardroom to the biology lab, 'functions' provides a precise way to describe how components interact and what they are meant to achieve. This section explores the specific domains where the word is most frequently heard and the nuances it carries in each.

In the Corporate World: In business, 'functions' refers to the different departments or specialized areas of a company. You will hear managers talk about 'cross-functional teams,' which are groups made up of people from different departments (like sales, engineering, and finance) working together. You will also hear it in the context of job descriptions, where 'key functions' lists the primary responsibilities of a role.

We need to streamline our operational functions to reduce overhead costs this quarter.

In the tech industry, 'functions' is a daily term. Software engineers use it to describe discrete units of code. When a website is 'down,' a developer might say, 'The login function isn't functioning properly.' This double usage highlights both the piece of code (noun) and its operational state (verb). Technical support staff will ask if a device 'functions' after a reboot, focusing on the basic ability of the hardware to operate.

In Science and Medicine: Biologists and doctors use 'functions' to describe the physiological processes of living organisms. You might hear about 'liver function tests' or the 'executive functions' of the brain (which include planning and decision-making). In this context, the word is clinical and precise, referring to the measurable output of a biological system.

The study examines how sleep deprivation affects cognitive functions such as memory and attention span.

In social science and sociology, 'functions' refers to the role that institutions (like the family, religion, or the education system) play in maintaining social order. A sociologist might discuss the 'manifest functions' (intended consequences) and 'latent functions' (unintended consequences) of a social policy. This usage is more abstract but equally common in academic lectures and textbooks.

In Everyday Life: While 'works' is more common in casual speech, 'functions' appears in everyday life when people want to be slightly more formal or specific. You might see a sign on a broken vending machine that says 'Not functioning.' You might also hear someone say they are 'barely functioning' after a long night, using the word metaphorically to describe their low energy levels.

The community center hosts various functions, from town hall meetings to local art exhibitions.

By recognizing these contexts, you can better interpret the speaker's intent. Whether it's a doctor discussing your health, a programmer discussing code, or a friend discussing a wedding, 'functions' is the key word that links the entity to its purpose or action.

Even though functions is a common word, it is frequently misused by English learners and even native speakers in specific contexts. The most common errors involve confusing it with similar-sounding words, failing to maintain subject-verb agreement, or using it in an inappropriate register. This section highlights these pitfalls and provides clear guidance on how to avoid them to ensure your communication remains professional and accurate.

Confusion with 'Functionality': A frequent mistake is using 'functions' when 'functionality' is more appropriate. 'Functions' (plural noun) refers to the specific tasks or roles something performs. 'Functionality' (uncountable noun) refers to the quality of being functional or the range of functions a system has. For example, you would say 'The app has many functions,' but 'I am impressed by the app's functionality.'

Incorrect: The functions of the new website is very smooth. (Should be 'functionality' or 'The functions... are').

Another common error is subject-verb agreement. Because 'functions' ends in 's,' learners sometimes mistake it for a plural noun when it is actually a singular verb. Remember: 'The machine (singular) functions (verb)' but 'The machines (plural) function (verb).' Conversely, as a noun: 'The function (singular) is' but 'The functions (plural) are.'

Overly Formal Register: Using 'functions' in very casual settings can sound unnatural or 'robotic.' If your friend asks how your new bike is, saying 'It functions well' sounds like you are a technical manual. In casual conversation, 'It works great' or 'It's good' is much more common. Reserve 'functions' for more formal, technical, or specific descriptions.

Awkward: My stomach functions poorly after eating spicy food. (Better: 'My stomach doesn't handle spicy food well').

Misusing 'functions' in the context of social events is also common. Some learners use 'functions' to describe any party. However, a 'function' is typically organized, official, or formal. You wouldn't call a casual Friday night hangout with two friends a 'function.' Using it this way might make you sound like you are trying too hard to be formal or that you misunderstand the nature of the gathering.

Confusion with 'Features': In product descriptions, 'features' and 'functions' are often confused. A 'feature' is something a product *has* (e.g., a waterproof screen), while a 'function' is something the product *does* (e.g., it records video underwater). While related, they are not interchangeable in precise technical writing.

Incorrect: The phone's best functions is its blue color. (Color is a feature, not a function).

By keeping these distinctions in mind—functionality vs. functions, formal vs. casual, and feature vs. function—you will avoid the most common errors and speak more like a native professional.

To truly master the word functions, it is helpful to understand its synonyms and how they differ in nuance. English is rich with words that describe purpose and operation, but choosing the right one depends on whether you are talking about a machine, a person's job, a mathematical concept, or a social event. This section compares 'functions' with its closest relatives to help you expand your vocabulary and improve your precision.

Functions vs. Roles: 'Roles' is often used for people or characters, while 'functions' is more common for objects or systems. A person has a 'role' in a play or a 'role' in a company. While 'functions' can describe a person's duties, it sounds more mechanical. Use 'roles' when focusing on the person's identity or contribution, and 'functions' when focusing on the technical tasks they perform.

Comparison: Her role is to lead the team, but her daily functions include writing reports and managing budgets.

Another close synonym is 'purposes.' While 'functions' describes *how* something works to achieve a goal, 'purposes' focuses on the *reason* for its existence. For example, the 'purpose' of a hammer is to drive nails; its 'function' is the mechanical action of striking the nail head. 'Functions' is more about the process, while 'purpose' is more about the intent.

Functions vs. Operations: 'Operations' usually refers to a larger, ongoing process or a whole business. 'Functions' are the specific components of those operations. For example, a hospital has 'operations' (the whole business of running the hospital), but it has specific 'functions' like surgery, emergency care, and administration.

The company's overseas operations depend on several key logistical functions.

When referring to social events, synonyms include 'gatherings,' 'events,' 'affairs,' or 'occasions.' 'Gathering' is the most informal. 'Event' is neutral and very common. 'Affair' and 'occasion' can sound very formal or even slightly old-fashioned. 'Function' remains the best choice for official or professional social gatherings.

Functions vs. Tasks: 'Tasks' are specific, often short-term pieces of work. 'Functions' are broader and more permanent. Washing the dishes is a 'task.' Maintaining a clean kitchen is a 'function' of a household member. Use 'tasks' for individual items on a to-do list and 'functions' for the overarching responsibilities of a role.

He completed all his daily tasks before attending to his core managerial functions.

By understanding these subtle differences, you can choose the word that most accurately conveys your meaning. 'Functions' is powerful because it implies a systematic, necessary, and often complex role or operation, making it ideal for professional and scientific communication.

How Formal Is It?

Formel

Neutre

Informel

Child friendly

Argot

Le savais-tu ?

The mathematical use of 'function' was introduced by Gottfried Wilhelm Leibniz in the late 17th century to describe quantities varying from point to point on a curve.

Guide de prononciation

UK /ˈfʌŋk.ʃənz/

US /ˈfʌŋk.ʃənz/

The stress is on the first syllable: FUNGK-shuhnz.

Rime avec

junctions conjunctions malfunctions compunctions disjunctions instructions constructions productions

Erreurs fréquentes

Pronouncing the 't' in the middle (there is no 't').
Using a hard 's' at the end instead of a 'z' sound.
Confusing the 'u' sound with 'oo' (it should be short).
Merging the 'nk' and 'sh' sounds too much.
Stressing the second syllable.

Niveau de difficulté

Lecture 3/5

Common in academic and technical texts.

Écriture 4/5

Requires correct subject-verb agreement and context.

Expression orale 3/5

Easy to pronounce but requires knowing the right register.

Écoute 2/5

Clear pronunciation makes it easy to identify.

Quoi apprendre ensuite

Prérequis

work job part party do

Apprends ensuite

functionality operational mechanism purposeful utility

Avancé

structural-functionalism recursive physiological logistics protocol

Grammaire à connaître

Subject-Verb Agreement

The machine functions (singular); The machines function (plural).

Prepositional Use

Use 'as' when describing a role: 'It functions as a tool.'

Countable Nouns

You can say 'many functions' or 'one function'.

Gerunds after 'for'

The function of a knife is for cutting (not 'for cut').

Adverb Placement

Adverbs usually follow the verb: 'It functions perfectly.'

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Exemples par niveau

The clock functions well.

Le réveil marche bien.

Third-person singular verb.

Does your phone have many functions?

Est-ce que ton téléphone a beaucoup de fonctions ?

Plural noun.

This pen functions for writing.

Ce stylo sert à écrire.

Verb followed by 'for' + gerund.

The elevator functions now.

L'ascenseur fonctionne maintenant.

Simple present verb.

My computer functions fast.

Mon ordinateur marche vite.

Verb modified by an adverb.

The remote functions again.

La télécommande remarche.

Verb modified by 'again'.

This light functions with batteries.

Cette lampe marche avec des piles.

Verb followed by a prepositional phrase.

The machine functions every day.

La machine fonctionne tous les jours.

Verb with a frequency expression.

The function of the heart is to pump blood.

La fonction du cœur est de pomper le sang.

Noun used to describe purpose.

This room functions as a library.

Cette pièce sert de bibliothèque.

Verb 'functions as' to show role.

The camera has three main functions.

L'appareil photo a trois fonctions principales.

Plural noun with a number.

The brain functions while we sleep.

Le cerveau fonctionne pendant que nous dormons.

Verb in a complex sentence.

The school functions from Monday to Friday.

L'école fonctionne du lundi au vendredi.

Verb describing operation time.

What are the functions of this tool?

Quelles sont les fonctions de cet outil ?

Question form with plural noun.

The heater functions to keep us warm.

Le radiateur sert à nous garder au chaud.

Verb followed by an infinitive of purpose.

Each part of the plant has different functions.

Chaque partie de la plante a des fonctions différentes.

Plural noun with an adjective.

He attended several official functions last year.

Il a assisté à plusieurs réceptions officielles l'année dernière.

Noun meaning social events.

The software functions across different platforms.

Le logiciel fonctionne sur différentes plateformes.

Verb describing technical compatibility.

One of her functions is to manage the budget.

L'une de ses fonctions est de gérer le budget.

Noun meaning professional duty.

The community center functions as a shelter.

Le centre communautaire sert de refuge.

Verb describing a social role.

We need to check if the security system functions.

Nous devons vérifier si le système de sécurité fonctionne.

Verb in an object clause.

The liver functions to detoxify the body.

Le foie sert à détoxifier le corps.

Verb in a scientific context.

The mayor is busy with various civic functions.

Le maire est occupé par diverses fonctions civiques.

Noun referring to official duties/events.

The engine functions smoothly after the repair.

Le moteur tourne sans problème après la réparation.

Verb modified by an adverb of manner.

The prefrontal cortex controls executive functions.

Le cortex préfrontal contrôle les fonctions exécutives.

Noun in a psychological context.

The organization functions on a non-profit basis.

L'organisation fonctionne sur une base non lucrative.

Verb describing an operational model.

The mathematical functions were difficult to solve.

Les fonctions mathématiques étaient difficiles à résoudre.

Noun in a mathematical context.

The department functions independently of the main office.

Le département fonctionne indépendamment du bureau principal.

Verb with an adverbial phrase.

He was invited to several high-profile functions.

Il a été invité à plusieurs réceptions de haut niveau.

Noun meaning prestigious social events.

The app's core functions are free for all users.

Les fonctions de base de l'application sont gratuites pour tous les utilisateurs.

Noun with a possessive.

The system functions by collecting data in real-time.

Le système fonctionne en collectant des données en temps réel.

Verb followed by 'by' + gerund.

The legal functions of the court are clearly defined.

Les fonctions juridiques du tribunal sont clairement définies.

Noun in a legal context.

The latent functions of education include socialization.

Les fonctions latentes de l'éducation incluent la socialisation.

Noun in a sociological context.

The economy functions through a complex web of trade.

L'économie fonctionne grâce à un réseau complexe d'échanges.

Verb describing a systemic process.

The architect focused on the building's aesthetic functions.

L'architecte s'est concentré sur les fonctions esthétiques du bâtiment.

Noun used in design theory.

The script contains several recursive functions.

Le script contient plusieurs fonctions récursives.

Noun in a programming context.

The monarchy functions as a symbol of national unity.

La monarchie sert de symbole d'unité nationale.

Verb describing a symbolic role.

The device functions optimally under low temperatures.

L'appareil fonctionne de manière optimale à basse température.

Verb with a precise adverb.

Her functions within the cabinet were expanded.

Ses fonctions au sein du cabinet ont été élargies.

Noun referring to political roles.

The ecosystem functions as a self-regulating unit.

L'écosystème fonctionne comme une unité autorégulée.

Verb in an ecological context.

The structural-functionalist perspective analyzes society.

La perspective structuralo-fonctionnaliste analyse la société.

Adjective derived from the noun.

The brain's cognitive functions are still not fully understood.

Les fonctions cognitives du cerveau ne sont pas encore totalement comprises.

Noun in advanced neuroscience.

The treaty functions to mitigate international conflict.

Le traité sert à atténuer les conflits internationaux.

Verb describing a diplomatic mechanism.

The algorithm functions by minimizing the error rate.

L'algorithme fonctionne en minimisant le taux d'erreur.

Verb in advanced data science.

The social functions of the elite were highly ritualized.

Les fonctions sociales de l'élite étaient hautement ritualisées.

Noun in a historical/sociological context.

The language functions as a tool for cultural hegemony.

La langue sert d'outil d'hégémonie culturelle.

Verb in critical theory.

The protein functions as a catalyst in the reaction.

La protéine sert de catalyseur dans la réaction.

Verb in biochemistry.

The city functions as a hub for global finance.

La ville sert de plaque tournante pour la finance mondiale.

Verb describing urban economics.

Collocations courantes

executive functions

vital functions

social functions

mathematical functions

core functions

functions properly

cross-functional team

administrative functions

cognitive functions

perform functions

Phrases Courantes

form follows function

— The design of something should be based on its purpose.

In modern architecture, form follows function.

barely functioning

— Working with very little energy or at a very low level.

I'm barely functioning after only three hours of sleep.

a function of

— A result of or dependent on something else.

Success is often a function of hard work and luck.

fully functioning

— Working at 100% capacity or completely repaired.

The factory is now fully functioning again.

loss of function

— The inability of a body part or system to work.

The injury resulted in a temporary loss of function in his hand.

multi-function device

— A machine that can do several different jobs.

A printer-scanner-copier is a multi-function device.

primary function

— The most important job or purpose of something.

The primary function of a lighthouse is to warn ships.

operational functions

— The daily activities needed to keep a business running.

We are reviewing our operational functions to save money.

official function

— A formal event organized by an authority.

The president attended the official function at the embassy.

utility function

— A mathematical way to measure satisfaction or value.

Economists use a utility function to model consumer choices.

Souvent confondu avec

functions vs functionality

Functionality is the general quality; functions are the specific tasks.

functions vs features

Features are what it has; functions are what it does.

functions vs factions

Factions are small groups within a larger one; functions are roles or events.

Expressions idiomatiques

"function over form"

— Prioritizing usefulness over appearance.

I chose this ugly car because I value function over form.

neutral

"cog in the machine"

— A person who performs a small function in a large system.

He felt like just another cog in the machine at the big corporation.

informal

"run like clockwork"

— To function perfectly and predictably.

The event functions like clockwork thanks to the organizers.

idiomatic

"firing on all cylinders"

— Functioning at peak performance.

The team is firing on all cylinders this season.

informal

"well-oiled machine"

— A group or system that functions very efficiently.

Our kitchen staff functions like a well-oiled machine.

neutral

"up and running"

— Functioning and ready for use.

The new website is finally up and running.

informal

"in working order"

— Functioning correctly.

Please ensure the equipment is in working order.

neutral

"out of commission"

— Not functioning or not in use.

The old tractor is out of commission for now.

informal

"back on track"

— Functioning correctly again after a problem.

We need to get the project back on track.

neutral

"serve a purpose"

— To have a specific function.

Even this old tool still serves a purpose.

neutral

Facile à confondre

functions vs functionality

Similar root and meaning.

Functionality is uncountable and refers to the overall capability. Functions are countable and refer to specific actions.

I like the functionality of the app, especially its search functions.

functions vs features

Both describe aspects of a product.

A feature is a characteristic (like a red color). A function is an action (like recording audio).

The camera's best feature is its size, but its best function is the night-vision mode.

functions vs roles

Both describe purpose.

Roles are usually for people or social positions. Functions are usually for objects or systems.

His role is manager, but his functions are mostly administrative.

functions vs tasks

Both describe work.

Tasks are specific, temporary actions. Functions are broad, permanent responsibilities.

He has many daily tasks that fall under his primary functions.

functions vs events

Both describe social gatherings.

Events is a general term. Functions is more formal and official.

The hotel hosts many events, but only a few are formal functions.

Structures de phrases

The [thing] functions.

The clock functions.

The function of [thing] is [to verb].

The function of a pen is to write.

[Subject] functions as a [noun].

This room functions as a study.

Attend [adjective] functions.

He attends social functions.

[Subject] has many [adjective] functions.

The brain has many complex functions.

The [adjective] functions of [noun] include...

The latent functions of religion include community building.

[Subject] functions by [verb-ing].

The system functions by monitoring traffic.

A function of [variable] is [result].

Wealth is often a function of inherited privilege.

Famille de mots

Noms

Verbes

Adjectifs

Apparenté

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Comment l'utiliser

frequency

Very high in academic, technical, and professional English.

Erreurs courantes

The functions of the heart is to pump blood. → The functions of the heart are to pump blood.
Since 'functions' is plural, the verb must be 'are'.
This room functions a kitchen. → This room functions as a kitchen.
The verb 'function' requires the preposition 'as' when describing a role.
I am going to a function with my friends at the park. → I am going to a gathering with my friends at the park.
A 'function' is usually formal and official, not a casual meeting in a park.
The app has great functions. → The app has great functionality.
While 'functions' is okay, 'functionality' is better for describing the overall quality of an app.
The machine function well. → The machine functions well.
A singular subject (machine) needs a singular verb (functions).

Astuces

Check the Subject

Always check if your subject is singular or plural. 'The system functions' but 'The systems function.' This is a very common mistake.

Use 'As' with Verbs

When using 'functions' as a verb to describe a role, always include 'as.' For example: 'The phone functions as a flashlight.'

Avoid Overuse

In a long essay, try to use synonyms like 'roles,' 'purposes,' or 'operations' so you don't repeat 'functions' too many times.

Job Descriptions

Use 'Key Functions' as a heading in your resume to list your main responsibilities. it sounds very professional.

Formal Events

If you are invited to a 'function,' expect a formal dress code and organized seating. It's not a casual party.

Code Clarity

In programming, name your functions based on what they do (e.g., calculateTotal) to make the code easier to read.

Structure and Function

Remember that in biology, the structure of an organ always relates to its functions. Use this link to help you remember the term.

Not Functioning

If a machine isn't working, 'Not functioning' is the standard formal way to describe it on signs or reports.

Input/Output

Think of a mathematical function as a machine: you put something in, the function does something, and something comes out.

The 'F' Rule

Function = Form, Fulfillment, and Formal events. All three start with F!

Mémorise-le

Moyen mnémotechnique

FUNctions are FUN when things work and when you go to a party!

Association visuelle

Imagine a Swiss Army knife. Each blade is one of its many functions.

Word Web

Purpose Work Party Math Role Code System Duty

Défi

Try to list five functions of your favorite electronic device using full sentences.

Origine du mot

Derived from the Latin 'functio', which means 'performance' or 'execution'. This comes from the verb 'fungi', meaning 'to perform, execute, or discharge a duty'.

Sens originel : The original sense was related to the fulfillment of a duty or the performance of a task.

Indo-European (Latin branch).

Contexte culturel

Be careful when using 'functions' to describe people's roles in a sensitive context, as it can sound overly clinical or impersonal.

The term is common in British English for official gatherings, while American English might use 'events' more often for the same thing.

The 'Function' song by E-40 (slang use). Leibniz's mathematical functions. Louis Sullivan's 'Form follows function' architectural principle.

Pratique dans la vie réelle

Contextes réels

Business

Core functions
Cross-functional team
Managerial functions
Business functions

Technology

Software functions
Function call
System functions
Not functioning

Biology

Bodily functions
Brain functions
Liver function test
Vital functions

Social

Attend a function
Official function
Social functions
Host a function

Mathematics

Linear functions
Function of x
Solve the function
Mathematical functions

Amorces de conversation

"What are the most important functions of your current job?"

"Do you enjoy attending formal social functions, or do you prefer casual parties?"

"How many different functions does your smartphone have that you actually use?"

"If your brain could have one extra function, what would you want it to be?"

"Does your home ever function as an office or a gym?"

Sujets d'écriture

Describe the various functions of a local community center and how they help the neighborhood.

Write about a time when a piece of technology you relied on stopped functioning and how you handled it.

Reflect on the 'functions' of friendship in your life. What roles do your friends play?

Discuss the primary functions of a government in a modern society.

Explain the functions of your favorite hobby. What does it do for your mental health?

Questions fréquentes

10 questions

It can be both! As a noun, it's the plural of 'function' (meaning purpose or event). As a verb, it's the third-person singular of 'to function' (meaning to work). For example, 'The machine functions (verb) to perform its functions (noun).'

A social function is a formal gathering or official event, such as a corporate dinner, a wedding, or a gala. It usually involves a guest list and a specific schedule.

In math, a function is a relationship where each input has exactly one output. You might say, 'The value of Y functions as a result of X.'

Yes, but it sounds formal or clinical. You can say 'His functions include...' to describe his job duties. In casual speech, 'His job is...' is better.

It means someone or something is working very poorly or has very little energy. For example, 'I'm barely functioning without my coffee.'

Function is a noun or verb. Functional is an adjective meaning 'working' or 'useful.' For example, 'The function (noun) is good, so the tool is functional (adjective).'

This is a psychological term for mental skills like working memory, flexible thinking, and self-control. We use them every day to learn and work.

Use 'function as' when describing a role or purpose. 'This sofa functions as a bed.' 'Function like' is less common and used for comparisons.

Yes, in programming, a function is a named section of code that performs a specific task. You 'call' or 'run' functions.

It is a group of people from different departments (like sales, tech, and HR) working together on a single project.

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