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.

SIGNIFICANT definition: 1. important or noticeable: 2. having a special meaning: 3. important or noticeable: . Learn more.

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

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 …

Nov 11, 2024 · Important; notable; weighty; more strictly, important for what it indicates, but also, often, important in its consequences: opposed to insignificant: as, a significant event.

Find 6,863 synonyms for significant and other similar words that you can use instead based on 24 separate contexts from our thesaurus.

Definition of significant. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.