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.

Understanding the Context

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.

Key Insights

1. a. Having or expressing a meaning: Are the markings on the stone significant? b. Having or expressing a covert or nonverbal meaning; suggestive: a...

Final Thoughts

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, secret, or disguised meaning: She gave him a significant wink. sig nif i cant ly, adv. See -sign-.

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