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

DEFINITION definition: 1. a statement that explains the meaning of a word or phrase: 2. a description of the features and…. Learn more.

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.

Apr 24, 2026 · Pioneers in Language Reference for 200 years. Popular and trusted online dictionary with over 1 million words. Find definitions, meanings, synonyms, pronunciations, translations, origin and …

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

A good definition explains concisely what something means. Dictionaries include definitions, even for the word definition!

1 day ago · Clear and simple definitions in American English from Britannica's language experts. More usage examples than any other dictionary.

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.

Feb 25, 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. …