Definition of "unacceptable" []

  • Not acceptable; unsatisfactory. (adjective)
  • Not satisfactory; inadequate (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.

  • Intolerable (adjective) (c) HarperCollins Publishers Ltd 2016

Use "unacceptable" in a sentence
  • "They were among 10 schools in the 68-team National Collegiate Athletic Association tournament that Mr. Duncan said ought to be disqualified for what he called unacceptable academic performances."
  • "Clegg slammed French central bankers and politicians on Friday for what he called their "unacceptable" remarks about the fragile state of the British economy."
  • "U.S. Secretary of State Hillary Clinton said Monday Washington joins the international community in "strongly condemning" what she called "unacceptable bloodshed" in Libya."