Definition of "significant" []

  • Having or expressing a meaning; meaningful. (adjective)
  • Having or expressing a covert meaning; suggestive: a significant glance. See Synonyms at expressive. (adjective)
  • Having or likely to have a major effect; important: a significant change in the tax laws. (adjective)
  • Fairly large in amount or quantity: significant casualties; no significant opposition. (adjective)
  • Statistics Of or relating to observations or occurrences that are too closely correlated to be attributed to chance and therefore indicate a systematic relationship. (adjective)
  • Having or expressing a meaning; indicative (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • Having a covert or implied meaning; suggestive (adjective)
  • Important, notable, or momentous (adjective)
  • 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 (adjective) (c) HarperCollins Publishers Ltd 2016

Use "significant" in a sentence
  • "The SEC's proposal asks questions about whether the SEC should define the term "significant error.""
  • ""If the commission were to define the term significant error ... we believe it would effectively be substituting its judgment" for the credit-rating agencies, S&P President Deven Sharma said in the letter."
  • "As I would soon learn, not only was the word significant here but its specific connection with lilies was important as well."