The meaning of SIGNIFICANT is having meaning; especially : full of import : suggestive. How to use significant in a sentence.

SIGNIFICANT definition: important and deserving of attention; of consequence. See examples of significant used in a sentence.

(Definition of significant from the Cambridge Academic Content Dictionary © Cambridge University Press)

Define significant. significant synonyms, significant pronunciation, significant translation, English dictionary definition of significant. adj. 1. a. Having or expressing a meaning: Are the markings on …

significant, adj., adv., & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

WordReference Random House Learner's Dictionary of American English © 2025 sig•nif•i•cant /sɪgˈnɪfɪkənt/ adj. important; of consequence: a significant event in world history. having a special, …

When something is deemed significant, it holds weight or significance beyond the ordinary or mundane. It implies a level of importance that commands attention or recognition.

Signifying something; conveying a meaning; having a purport; expressive; implying some character, and not merely denotative: as, a significant word or sound. Serving as a sign or indication; having a …

Feb 4, 2026 · Noun significant (plural significants) That which has significance; a sign; a token; a symbol.

A significant fact, event, or thing is one that is important or shows something. Time would appear to be the significant factor in this whole drama. ...a very significant piece of legislation. I think it was …