significant

noun

That which has significance; a sign; a token; a symbol.

adjective

Having a noticeable or major effect.

Reasonably large in number or amount.

Signifying something; carrying meaning.

(statistics) Having a low probability of occurring by chance (for example, having high correlation and thus likely to be related).

Having a covert or hidden meaning.

(mathematics) Of a digit or figure, see significant figure.

Roots

signumsign- · Latin · mark, sign facio-fic · Latin · make, do

Synonyms for significant

substantialadj importantadj considerableadj meaningfuladj momentousadj noteworthyadj consequentialadj notableadj significativeadj majoradj bigadj

Synonyms & related words for significant

Find synonyms, related words, and the definition of significant — including substantial, important, considerable, meaningful, momentous, noteworthy. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to significant

Explore words related to significant — words associated with it, words that go with it, and its nearest matches in meaning. Related words include appreciable, noticeable, sizable, sizableness, nonsignificant, momentously, inconsiderable, substantialism. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for significant

Common synonyms for significant include substantial, important, considerable, meaningful, momentous, noteworthy, consequential, notable — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does significant come from?

The word significant breaks down into 2 roots of Latin origin: sign-, from Latin signum (“mark, sign”); and -fic, from Latin facio (“make, do”). Explore each root to see other English words built from the same source.