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Definition of "uncertain" []

  • Not known or established; questionable: domestic changes of great if uncertain consequences. (adjective)
  • Not determined; undecided: uncertain plans. (adjective)
  • Not having sure knowledge: an uncertain recollection of the sequence of events. (adjective)
  • Subject to change; variable: uncertain weather. (adjective)
  • Unsteady; fitful: uncertain light. (adjective)
  • Not able to be accurately known or predicted (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.

  • Not sure or confident (about) (adjective)
  • Not precisely determined, established, or decided (adjective)
  • Not to be depended upon; unreliable (adjective)
  • Liable to variation; changeable (adjective)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "uncertain" in a sentence
  • "Analysts were reluctant to make predictions beyond one month because of what they described as an uncertain economic outlook given the central bank's ongoing efforts to tame inflation and as a string of interest-rate increases and other measures begin to bite."
  • "Most advanced economies are planning "significant fiscal adjustment" this year in what he described as an "uncertain economic environment.""
  • "Kroger Co. reported its fiscal fourth-quarter earnings fell 27% on higher costs and offered a cautious outlook for the year amid what it described as the uncertain pace of economic recovery and tough price competition."