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The following statistics are based on the British National Corpus, so they are representative for the British English.

Distribution of usage frequency for the most common synonyms of the noun function:


Distribution of usage frequency for the most common synonyms of the verb function:


The word function and its family (functional, functionally, functioned, functioning, functions) are included in the Academic Word List by Dr. Averil Coxhead, which contains the 570 most frequent word families used in academic texts from a variety of subject areas, of interest for students that learn the words most needed to study at tertiary institutions.

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Definition of the noun function

What does function mean as a name of something?

Function is one of the top 1000 most common nouns in the English language.

noun - plural: functions

  1. (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)
    • domain: math / mathematics / maths
    • lexical domain: Relations - nouns denoting relations between people or things or ideas
    • synonyms of function: map / mapping / mathematical function / single-valued function
    • more generic term: mathematical relation = a relation between mathematical expressions
    • more specific terms:
      • multinomial / polynomial = a mathematical function that is the sum of a number of terms
      • expansion = a function expressed as a sum or product of terms
      • inverse function = a function obtained by expressing the dependent variable of one function as the independent variable of another
      • Kronecker delta = a function of two variables i and j that equals 1 when i=j and equals 0 otherwise
      • metric function / metric = a function of a topological space that gives, for any two points in the space, a value equal to the distance between them
      • transformation = a function that changes the position or direction of the axes of a coordinate system
      • isometry = a one-to-one mapping of one metric space into another metric space that preserves the distances between each pair of points
      • operator = a symbol or function representing a mathematical operation
      • trigonometric function / circular function = function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle
      • threshold function = a function that takes the value 1 if a specified function of the arguments exceeds a given threshold and 0 otherwise
      • exponential function / exponential = a function in which an independent variable appears as an exponent
  2. what something is used for
    • example: the function of an auger is to bore holes
    • lexical domain: Attributes - nouns denoting attributes of people and objects
    • synonyms of function: purpose / role / use
    • more generic words: usefulness / utility = the quality of being of practical use
    • more specific term: raison d'etre = the purpose that justifies a thing's existence
    • attributes:
      • functional = designed for or capable of a particular function or use
      • nonfunctional = not having or performing a function
  3. the actions and activities assigned to or required or expected of a person or group
    • example: the function of a teacher
    • lexical domain: Acts - nouns denoting acts or actions
    • synonyms of function: office / part / role
    • more generic word: duty = work that you are obliged to perform for moral or legal reasons
    • more specific terms:
      • capacity = a specified function
      • hat = an informal term for a person's role
      • portfolio = the role of the head of a government department
      • position / place / stead / lieu = the post or function properly or customarily occupied or served by another
      • second fiddle = a secondary role or function
  4. a relation such that one thing is dependent on another
    • examples: height is a function of age | price is a function of supply and demand
    • lexical domain: Relations - nouns denoting relations between people or things or ideas
    • more generic word: relation = an abstraction belonging to or characteristic of two entities or parts together
  5. a formal or official social gathering or ceremony
    • example: it was a black-tie function
    • lexical domain: Groups - nouns denoting groupings of people or objects
    • more generic terms: social affair / social gathering = a gathering for the purpose of promoting fellowship
  6. a vaguely specified social event
    • example: a seemingly endless round of social functions
    • lexical domain: Natural Events - nouns denoting natural events
    • synonyms of function: affair / occasion / social function / social occasion
    • more generic term: social event = an event characteristic of persons forming groups
    • more specific terms:
      • party = an occasion on which people can assemble for social interaction and entertainment
      • celebration / jubilation = a joyful occasion for special festivities to mark some happy event
      • ceremonial occasion / ceremonial / observance / ceremony = a formal event performed on a special occasion
      • fundraiser = a social function that is held for the purpose of raising money
      • photo opportunity / photo op = an occasion that lends itself to (or is deliberately arranged for) taking photographs that provide favorable publicity for those who are photographed
      • sleepover = an occasion of spending a night away from home or having a guest spend the night in your home
  7. a set sequence of steps, part of larger computer program

Alternative definition of the noun function


  1. What something does or is used for.
  2. A professional or official position.
  3. An official or social occasion.
  4. A relation where one thing is dependent on another for its existence, value, or significance.
  5. [mathematics] A relation in which each element of the domain is associated with exactly one element of the codomain.
  6. [computing] A routine that receives zero or more arguments and may return a result.
  7. [biology] The physiological activity of an organ or body part.
  8. [chemistry] The characteristic behavior of a chemical compound.

Definition of the verb function

What does function mean as a doing word?

Function is one of the top 1000 most common verbs in the English language.

verb - inflections: functioned | functioning | functions

  1. perform as expected when applied
    • example: These cars won't function
    • lexical domain: Contact - verbs of touching, hitting, tying, digging
    • synonyms of function: go / operate / run / work
    • antonym of function: malfunction
    • more specific words:
      • double = do double duty
      • roll = begin operating or running
      • run = be operating, running or functioning
      • cut = function as a cutting instrument
      • service / serve = be used by
  2. serve a purpose, role, or function
    • example: The table functions as a desk
    • syntax:
      Syntactic formulaExample for the syntactic formula
      [Agent - being] [Verb] as [Predicate]Dina masqueraded as a lawyer

      Verbs with Predicative Complements (with the same syntax): behave, camouflage, count, masquerade, officiate, qualify, rank, rate.

    • lexical domain: Stative - verbs of being, having, spatial relations
    • synonym of function: serve
    • more generic words: answer / do / serve / suffice = be sufficient
    • more specific terms:
      • prelude = serve as a prelude or opening to
      • act as = function as or act like
  3. perform duties attached to a particular office or place or function
    • lexical domain: Competition - verbs of fighting, athletic activities
    • synonym of function: officiate
    • more generic word: serve = do duty or hold offices

Alternative definition of the verb function


  1. [intransitive] to have a function
  2. [intransitive] to carry on a function; to be in action


"Function" a.k.a. "Vizha" is a 2013 Tamil film directed by Barathi Balakumaran. It stars Mahendran and Malavika Menon. The film, based on the award-winning short film Uthiri, portrays the love story of Sundaram, who plays the thappu instrument at death functions, and Rakkamma, an oppari singer. Extensively shot in Madurai, it has music composed by James Vasanthan, while U. K. Senthilkumar worked as the cinematographer and Praveen K. L.-N. B. Srikanth edited the film. Vizha was produced by Rama Narayanan and Sunir Kheterpal for Sri Thenandal Films, Azure Entertainment and JV Media Dreams. It releases on 27 December 2013.


  1. "Function" is the third single from E-40's 16th studio album The Block Brochure: Welcome to the Soil 2. The song features fellow rappers YG, Iamsu! and Problem. The song is produced by Trend of the group League of Star 2012.
  2. "Function" is a musical single of Vex'd.
    • released on (11 years ago)
  3. "Function" is a single album by E-40.
  4. "Function" is a musical album of Totakeke.
    • released on


Who is Function?

Function: David Charles Sumner, who records as Function, is an American techno DJ and producer.


Function is a musical group.

  • album: "The Secret Miracle Fountain"


Function is a record label.


  1. Function: In mathematics, a function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output. An example is the function that relates each real number x to its square x². The output of a function f corresponding to an input x is denoted by f. In this example, if the input is −3, then the output is 9, and we may write f = 9. The input variable are sometimes referred to as the argument of the function.
    • also known as Funktion
  2. Function: In engineering, a function is interpreted as a specific process, action or task that a system is able to perform.
    • also known as Функция
  3. Function is a cataloged instance, musical recording, canonical version.

Phrases with Function

Phrases starting with the word Function:

  1. Function key
  2. function call
  3. Function Code
  4. function word
  5. Function space
  6. Function Table

Phrases ending with the word Function:

  1. Not Function
  2. Odd Function
  3. Psi Function
  4. Airy Function
  5. Cost Function
  6. Even Function
  7. Hash function
  8. Line function
  9. Loss function
  10. Real Function
  11. Step function
  12. Work function
  13. Borel Function
  14. Cubic Function

View more phrases with the word Function in thesaurus!

Printed dictionaries and other books with definitions for Function

Click on a title to look inside that book (if available):

Google previewEngineering Design Process (2015)

by Yousef Haik, Sangarappillai Sivaloganathan, Tamer M. Shahin

A purpose function is a description of the designer's intention or the purpose of a design, and it is therefore abstract and subjective. 13. An action function is an abstraction of intended and useful behavior that an artifact exhibits. 14. Normally, a functional...

Function is the logical flow of energy, material, or signal between objects or the change of states of an object due to flows. d. Functions are the ...

Google previewData Center Fundamentals (2003)

by Mauricio Arregoces, Maurizio Portolani

The IP infrastructure connectivity function refers to routing and switching. The SAN function refers to the Fibre Channel fabric switching. The application optimization functions include load balancing, caching, and SSL offloading. The security ...

Google previewTheory of Linear Physical Systems (2013)

Theory of Physical Systems from the Viewpoint of Classical Dynamics, Including Fourier Methods by Ernst A. Guillemin

If one of these quantities is a voltage and the other a current, then the response function is an impedance or an...

Google previewStrategies For Success On The Sat 2005 (2004)

Mathematics Section by Lisa Muehle

A function is a set of ordered pairs (x, y), or (x, f(x)) in which every x-value is associated with exactly one f(x) or y-value.

Google previewThe Foundations of Mathematics (2015)

by Ian Stewart, David Tall

7: A function is a surjection ( to B) or is onto B if each element of B is of the form f(x) for some . Whether a function is a surjection depends on the choice of codomain. So the statement 'f is a ...

Google previewR Data Visualization Cookbook (2015)

by Atmajitsinh Gohil

function is the distance matrix calculated using the dist() function. The first...

function is a basic R functionality and is used for hierarchical cluster analysis in R. Hierarchical cluster is a method of ...

Google previewExpectation, Enterprise and Profit (2007)

The Theory of the Firm by G. L. S. Shackle

difference-quotient, derivative, differentiation The idea of comparing the mutually corresponding differences of two variables that are associated in a function is a most vital one for economists. When, as in Fig. 3.1, the curve representing the ...

Google previewPractical C++ Financial Programming (2015)

by Carlos Oliveira

Integrating a function is a common step in many financial algorithms. However, in several of these algorithms you can find equations that have no known analytical solution, and need to be integrated numerically. Even if an equation can be ...

Google previewAlgebra: Beginning and Intermediate (2012)

by Richard Aufmann, Joanne Lockwood

A function is a set of ordered pairs in which no two ordered pairs have the same first coordinate.

Google previewEncyclopedia of Sleep and Dreams: The Evolution, Function, Nature, and Mysteries of Slumber [2 volumes] (2012)

The Evolution, Function, Nature, and Mysteries of Slumber by Deirdre Barrett, Patrick McNamara Ph.D.

The Evolution, Function, Nature, and Mysteries of Slumber Deirdre Barrett, Patrick McNamara Ph.D.

Google previewA Dictionary of Economics (2012)

by John Black, Nigar Hashimzade, Gareth Myles

utility function A function that can either be the actual evaluation of an individual's *utility or an economist's convenient representation of an individual's ...

Google previewThe Portable Encyclopaedia: Or, A Dictionary of the Arts and Sciences (1831)

On the Basis of Dr. Gregory's Comprehending the Latest Improvements in Every Branch of Useful Knowledge by James Mitchell

Function. The instinctive tendency to attach ourselves to others, to animals, or to objects. Friendship. 5. CoMBAtive Ness. At the inferior and mastoid angle of the parietal bone, behind the ear, next to philoprogenitiveness and adhesiveness.

Google previewA Dictionary of Mechanical Engineering (2013)

by Tony Atkins, Marcel Escudier

The plot is produced from the transfer function by plotting the gain and phase shift over a range of frequencies where the gain is plotted as the radius to each point and the phase shift as the angle between the abscissa and the radius to the ...

Google previewWiley-Blackwell Encyclopedia of Human Evolution, 2 Volume Set (2011)

by Bernard Wood

structural paradigm See structure- function relationship. structure See population structure. structure-function relationship The relationship between the structure of an object or body part and its function ...

Online dictionaries and encyclopedias with entries for Function

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Photos about Function

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Small photo of Black multi tool isolated on white background. Universal hand tool that combines different individual functions. In this image this function is pliersSmall photo of Scientific Function CalculatorSmall photo of Nootropics, smart drugs, cognitive enhancers, compounds enhance brain function, Improve memory, cognitive and particularly executive functions. Multicolored capsules in female hand on blue backgroundSmall photo of Nootropics, smart drugs, cognitive enhancers, compounds enhance brain function, Improve memory, cognitive and particularly executive functions. Multicolored capsules in female hand on blue backgroundSmall photo of Tablet with the text Lung function test on the displaySmall photo of Scientific Function CalculatorSmall photo of Scientific Function Calculator More...

Video language resources about Function

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View more videos about A Function, Hash function, Loss function, Polynomial Function, and Logarithmic Function.

See also the pronunciation examples of Function!

Quotes about Function

Deliberation is the function of many, action is the function of one. (Charles de Gaulle)
more quotes about function...

Scrabble value of F4U1N1C3T1I1O1N1

The value of this 8-letter word is 13 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.

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