significant

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

adjective

important and deserving of attention; of consequence: Their advice played a significant role in saving my marriage.
relatively large in amount or quantity: a significant decrease in revenue.
having or expressing a meaning; indicative: a significant symbol of royalty.
having a special, secret, or disguised meaning; suggestive: a significant wink.
Statistics. of or relating to observations that are unlikely to occur by chance and that therefore indicate a systematic cause: Memory training produced a statistically significant improvement in group performance.

noun

something significant; a sign.

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Origin of significant

First recorded in 1565–75; from Latin significant- (stem of significāns ), present participle of the verbsignificāre “to indicate, denote”; see signify, -ant

synonym study for significant

3. See expressive.

OTHER WORDS FROM significant

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences 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 forms of significant

significantly, 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