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Definition of "fatigue" []

  • Physical or mental weariness resulting from exertion. (noun)
  • Something, such as tiring effort or activity, that causes weariness: the fatigue of a long hike. (noun)
  • Physiology The decreased capacity or complete inability of an organism, an organ, or a part to function normally because of excessive stimulation or prolonged exertion. (noun)
  • The weakening or failure of a material, such as metal or wood, resulting from prolonged stress. (noun)
  • Manual or menial labor, such as barracks cleaning, assigned to soldiers. (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 "fatigue" in a sentence
  • "Scientists, lawmakers, industry executives, safety advocates and operators themselves all say fatigue is an issue that needs more attention, but the regulatory process sometimes allows proposals to languish for decades."
  • "And then you just have to factor in fatigue in general because this team has been to the finals three straight years."
  • ""Glee" fatigue is setting in for me, and Tuesdays are starting to feel like karaoke night."