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function is one of the 1000 most common headwords.
fun - function - fund

function is on the Academic Word List.

Pronunciation change

Noun change



Function is on the Academic Vocabulary List.
  1. (countable & uncountable) Something or someone's function is its purpose or its job.
    The army sometimes performs a policing function.
  2. (countable) A function is an organised event.
    I met Sylvia at a church function last week.
  3. (countable) If   is a function of  , then   exists because of or is affected by  
    The speed of the computer is a function of its main processor.
    When you see,  , you read it, "  is a function of  ". Here the value of   depends on the value assigned to the variable  .

Verb change

Plain form

Third-person singular

Past tense

Past participle

Present participle

  1. (intransitive) If something is functioning, it is working and is not completely broken.
    Her heart stopped, but her brain continued to function.
  2. (intransitive) If something functions as  , it does the job of  .
    In this sentence, "sentence" functions as the subject.

Synonyms change

Related words change