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

the act of defining, or of making something definite, distinct, or clear. We need a better definition of her responsibilities. the formal statement of the meaning or significance of a word, phrase, …

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

Oct 31, 2025 · Pioneers in Language Reference for 200 years. Popular and trusted online dictionary with over 1 million words. Find definitions, meanings, synonyms, pronunciations, …

to determine or fix the boundaries or extent of: to define property with stakes. to make clear the outline or form of: The roof was boldly defined against the sky.

Oct 31, 2025 · definition (countable and uncountable, plural definitions) (semantics, lexicography) A statement of the meaning of a word, word group, sign, or symbol; especially, a dictionary …

Find definitions for over 300,000 words from the most authoritative English dictionary. Continuously updated with new words and meanings.