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.

2 days ago · The World's most comprehensive free online dictionary, thesaurus, and encyclopedia with synonyms, definitions, idioms, abbreviations, and medical, financial, legal specialized dictionaries

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.

Jan 9, 2026 · Word of the day psithurism a gentle rustling sound , as of leaves SEE FULL DEFINITION SEE PREVIOUS WORDS Latest Word Submissions drone wall Jan 12, 2026

The largest and most trusted free online dictionary for learners of British and American English with definitions, pictures, example sentences, synonyms, antonyms, word origins, audio pronunciation, …

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

Dec 15, 2025 · We aim to include not only the definition of a word, but also enough information to really understand it. Thus etymologies, pronunciations, sample quotations, synonyms, antonyms and …

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