important; of consequence.
having or expressing a meaning; indicative; suggestive: a significant wink.
Statistics. of or relating to observations that are unlikely to occur by chance and that therefore indicate a systematic cause.
—noun
something significant; a sign.
Origin: 1570–80; < Latin significant- (stem of significāns), present participle of significāre to signify; see -ant
—Related forms
sig·nif·i·cant·ly, adverb
non·sig·nif·i·cant, adjective