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Synonyms

significant

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

adjective

  1. important and deserving of attention; of consequence.

    Their advice played a significant role in saving my marriage.

    Synonyms:
    weighty, momentous, consequential
  2. relatively large in amount or quantity.

    a significant decrease in revenue.

  3. having or expressing a meaning; indicative.

    a significant symbol of royalty.

  4. having a special, secret, or disguised meaning; suggestive.

    a significant wink.

  5. 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

  1. something significant; a sign.

significant British  
/ 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

"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

Usage

What are other ways to say significant? The adjective significant describes things that are important, indicative of something, or suggestive of a hidden secret meaning. Do you know when to use significant, expressive, meaningful, and suggestive? Find out on Thesaurus.com. 

Other Word Forms

  • nonsignificant adjective
  • significantly adverb
  • supersignificant adjective
  • unsignificant adjective

Etymology

Origin of significant

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For the past three seasons they have finished second, twice blowing significant leads in the closing weeks of the season.

From Barron's

It said residents had difficulty obtaining insurance because of high costs, and that there was a significant risk to health and danger to life in the area.

From BBC

He said his wife appeared to be in "significant distress" when the family video-called her from home, and claimed communication from the clinic and their holiday provider was poor.

From BBC

France is home to western Europe's largest Jewish population, at around half a million people, as well as a significant Muslim community sensitive to the plight of the Palestinian people in Gaza.

From Barron's

"It is very significant but it's part of an ongoing trend at beaches along the south coast, of gravel and sand being moved from the western end, to the eastern end."

From BBC