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 …

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, …

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

Significant generally refers to something that carries importance, meaning, or relevance. It can indicate a notable or noteworthy occurrence or event that has a notable impact or influence.

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.

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 …

Definition of significant adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.