DEFINITION definition: the act of defining, or of making something definite, distinct, or clear. See examples of definition used in a sentence.

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.

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

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

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

Common dictionaries contain lexical descriptive definitions, but there are various types of definition – all with different purposes and focuses.

The act or process of stating a precise meaning or significance; formulation of a meaning: The definition of terms is essential to any successful scholarly study.

Jan 20, 2026 · Noun definition (countable and uncountable, plural definitions) (semantics, lexicography) A statement of the meaning of a word, word group, sign, or symbol; especially, a dictionary definition. …

DEFINITION meaning: 1 : an explanation of the meaning of a word, phrase, etc. a statement that defines a word, phrase, etc.; 2 : a statement that describes what something is

def•i•ni•tion (def′ə nish′ ən), n. the act of defining or making definite, distinct, or clear. the condition of being definite, distinct, or clearly outlined. Optics sharpness of the image formed by an optical …