Definition of significant in English:

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Pronunciation: /sɪɡˈnɪfɪk(ə)nt/


1Sufficiently great or important to be worthy of attention; noteworthy: a significant increase in sales
More example sentences
  • This work was little known about at the time but it has since emerged how significant this work proved to be.
  • The next significant study of perfect numbers was made by Nicomachus of Gerasa.
  • The nurses want a significant increase in their flat fee for agreeing to be on call.
notable, noteworthy, worthy of attention, remarkable, outstanding, important, of importance, of consequence, consequential;
serious, crucial, weighty, material, appreciable, momentous, of moment, memorable, unforgettable, pronounced, marked, considerable, obvious, conspicuous, striking, glaring, signal, impressive, uncommon, unusual, rare, extraordinary, exceptional, particular, special
2Having a particular meaning; indicative of something: in times of stress her dreams seemed to her especially significant
More example sentences
  • For Fagan, the next few weeks promise to be the most significant of her year.
  • Empires from Rome to Carthage fought over this most significant of nautical prizes.
  • Most significant of all, we felt, was that so many divers were keen enough to queue up to have their fitness checked.
2.1Suggesting a meaning or message that is not explicitly stated: she gave him a significant look
More example sentences
  • Downstairs, Martha gives Margaretha a significant look, upon which she rises and excuses herself to her guests, who leave.
  • At all times and in all hours they were in deep consultation and Margarot was observed to say to Campbell, with a significant wink, "keep an eye on the old gentleman", meaning me.
meaningful, expressive, eloquent, informative, revealing, indicative, suggestive, symbolic, relevant, pregnant, knowing, telling, pithy, valid, purposeful
3 Statistics Relating to or having significance.
Example sentences
  • Just as for the acentrics, group and radiation dose were statistically significant predictors.
  • We considered a P value of less than 0.05 to be statistical significant in all comparisons.
  • All of these physiological parameters showed significant differences statistically.


Late 16th century (in sense 2): from Latin significant- 'indicating', from the verb significare (see signify).

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Line breaks: sig¦nifi|cant

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