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.

2 days ago · 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.

Nov 1, 2025 · To describe, explain, or make definite and clear; used to request the listener or other person to elaborate or explain more clearly his or her intended meaning of a word or expression. …

If you define something, you say exactly what it is or exactly what it means. The government defines a household as `a group of people who live in the same house'.