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

She looked at him across the table and gave him a significant smile. Do you think it's significant that he hasn't replied to my letter yet?

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

Discover everything about the word "SIGNIFICANT" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.

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

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 …

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

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

Aug 17, 2025 · Reasonably large in number or amount. Having a covert or hidden meaning. (statistics) Having a low probability of occurring by chance (for example, having high …

SIGNIFICANT meaning: 1 : large enough to be noticed or have an effect; 2 : very important