significant

[ sig-nif-i-kuhnt ]
/ sɪgˈnɪf ɪ kənt /

adjective

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 of significant

1570–80; < Latin significant- (stem of significāns), present participle of significāre to signify; see -ant
Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for significant

British Dictionary definitions for significant

significant

/ (sɪɡˈnɪfɪkənt) /

adjective

having or expressing a meaning; indicative
having a covert or implied meaning; suggestive
important, notable, or momentous
statistics of or relating to a difference between a result derived from a hypothesis and its observed value that is too large to be attributed to chance and that therefore tends to refute the hypothesis
Derived Formssignificantly, adverb

Word Origin for significant

C16: from Latin significāre to signify
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for significant

significant


adj.

1570s, "having a meaning," from Latin significantem (nominative significans, present participle of significare "make known, indicate" (see signify). Earlier in the same sense was significative (c.1400). Often "having a special or secret meaning," hence "important" (1761). Related: Significantly. Significant figure is from 1680s. Significant other (n.) attested by 1961, in psychology, "the most influential other person in the patient's world."

Online Etymology Dictionary, © 2010 Douglas Harper