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significant

[sig-nif-i-kuh nt] /sɪgˈnɪf ɪ kənt/
adjective
1.
important; of consequence.
2.
having or expressing a meaning; indicative; suggestive:
a significant wink.
3.
Statistics. of or pertaining to observations that are unlikely to occur by chance and that therefore indicate a systematic cause.
noun
4.
something significant; a sign.
Origin
1570-1580
1570-80; < Latin significant- (stem of significāns), present participle of significāre to signify; see -ant
Related forms
significantly, adverb
nonsignificant, adjective
nonsignificantly, adverb
supersignificant, adjective
supersignificantly, adverb
unsignificant, adjective
unsignificantly, adverb
Synonyms
1. consequential, momentous, weighty. 2. See expressive.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un significant

significant

/sɪɡˈnɪfɪkənt/
adjective
1.
having or expressing a meaning; indicative
2.
having a covert or implied meaning; suggestive
3.
important, notable, or momentous
4.
(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
significantly, adverb
Word Origin
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
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Word Origin and History for un significant
significant
1570s, from L. significant-, stem of significans, prp. of significare (see signify).
Online Etymology Dictionary, © 2010 Douglas Harper
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