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Definition of "certain" [cer•tain]

  • Definite; fixed: set aside a certain sum each week. (adjective)
  • Sure to come or happen; inevitable: certain success. (adjective)
  • Established beyond doubt or question; indisputable: What is certain is that every effect must have a cause. (adjective)
  • Capable of being relied on; dependable: a quick and certain remedy. (adjective)
  • Having or showing confidence; assured. (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.

Use "certain" in a sentence
  • "However, you should note that many of the compilers (language processors) and commands on the PRIME will make certain assumptions if you follow certain guidelines."
  • "[Footnote 1: «qua» is generally used instead of «quae» in the feminine nominative singular and in the neuter nominative and accusative plural.] «485. » «quīdam», _a certain one, a certain_"
  • ""I am terrified to say such a thing, but I am certain, quite _certain_, that the ship will be lost within the next few days.""