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.

The OED is the definitive record of the English language, featuring 600,000 words, 3 million quotations, and over 1,000 years of English.

Mar 6, 2026 · SEE FULL DEFINITION SEE PREVIOUS WORDS Latest Word Submissions fatbike Mar 08, 2026

To make or write a definition. [Middle English definen, diffinen, from Old French definir, diffiner, from Latin dēfīnīre, to limit, determine : dē-, intensive pref.; see de- + fīnis, boundary, limit.] de·fin′a·bil′i·ty n.

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.

by definition : because of what something or someone is : according to the definition of a word that is being used to describe someone or something

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

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 …