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

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

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

If you define something, you show, describe, or state clearly what it is and what its limits are, or what it is like. We were unable to define what exactly was wrong with him. [VERB wh] He was …

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