Holding considerable importance, relevance, or influence. See example sentences, synonyms, and etymology for the adjective significant.

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

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

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WordReference Random House Learner's Dictionary of American English Β© 2025 sigβ€’nifβ€’iβ€’cant /sΙͺgˈnΙͺfΙͺkΙ™nt/ adj. important; of consequence: a significant event in world history. having a special, …

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

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?

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