The meaning of DEFINITION is a statement of the meaning of a word or word group or a sign or symbol. How to use definition in a sentence.

noun the act of defining, or of making something definite, distinct, or clear. We need a better definition of her responsibilities. the formal statement of the meaning or significance of a word, …

(Definition of definition from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

An enumerative definition of a concept or a term is an extensional definition that gives an explicit and exhaustive listing of all the objects that fall under the concept or term in question.

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A definition is a statement giving the meaning of a word or expression, especially in a dictionary.

Nov 5, 2025 · From Middle English diffinicioun, from Middle French definition, from Latin dēfīnītiō, from dēfīniō. Equivalent to define +‎ -ition.

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Definition of definition noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.