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.

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?

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

4 days ago · significant (comparative more significant, superlative most significant) Signifying something; carrying meaning. synonym quotations Synonym: meaningful a significant word or …

The earliest known use of the word significant is in the mid 1500s. OED's earliest evidence for significant is from 1566, in the writing of John Rastell, author and Jesuit.

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

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 …

Use the adjective significant to describe something that is important. Your "significant other" means the person who's most important in your life. A significant result in a scientific study is a …

significant definition: having considerable importance or effect. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "significant …