The meaning of DEFINE is to determine or identify the essential qualities or meaning of. How to use define in a sentence.

DEFINE definition: to state or set forth the meaning of (a word, phrase, etc.). See examples of define used in a sentence.

DEFINE definition: 1. to say what the meaning of something, especially a word, is: 2. to explain and describe the…. Learn more.

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Mar 26, 2026 · Clear and simple definitions in American English from Britannica's language experts. More usage examples than any other dictionary.

Dec 24, 2024 · Explore the definition of the word "define," as well as its versatile usage, synonyms, examples, etymology, and more.

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Dictionaries include definitions, even for the word definition! A definition precisely explains the fundamental state or meaning of something, often given formally as by lexicographers writing a …