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

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

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 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, …

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

Aug 17, 2025 · Noun significant (plural significants) That which has significance; a sign; a token; a symbol.

Synonyms for SIGNIFICANT: major, important, historic, big, substantial, much, meaningful, monumental; Antonyms of SIGNIFICANT: small, minor, little, insignificant, slight, negligible, trivial, unimportant

Significant figures, also referred to as significant digits, are specific digits within a number that is written in positional notation that carry both reliability and necessity in conveying a particular quantity. When …