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Definition of "counterexample" [counterexample]

  • An example that refutes or disproves a hypothesis, proposition, or theorem. (noun)

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 "counterexample" in a sentence
  • "Implicit in the counterexample is that aggression must be not only defensive but also proportionate."
  • "But that aside, how great a counterexample is this really?"
  • "Your counterexample is the pay scales of the US Army."