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

A definition states the meaning of a word using other words. This is sometimes challenging. Common dictionaries contain lexical descriptive definitions, but there are various types of definition – all with …

To state the precise meaning of (a word or sense of a word, for example). b. To describe the nature or basic qualities of; explain: define the properties of a new drug; a study that defines people according …

Dec 15, 2025 · Wiktionary has grown beyond a standard dictionary and now includes a thesaurus, a rhyme guide, phrase books, language statistics and extensive appendices. We aim to include not …

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 asked to define …