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)

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

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

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 the …

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, …

A significant amount of something is large enough to be important or noticeable.

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 significant glance. 2. Having or likely to …

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