[ ig-zaws-chuhn ]
/ ɪgˈzɔs tʃən /


the act or process of exhausting.
the state of being exhausted.
extreme weakness or fatigue.
the total consumption of something: the exhaustion of your vacation benefits for the year.

Nearby words

  1. exhaust trail,
  2. exhaust velocity,
  3. exhaust-gas recirculation,
  4. exhausted,
  5. exhausting,
  6. exhaustion psychosis,
  7. exhaustive,
  8. exhaustless,
  9. exhedra,
  10. exhibit

Origin of exhaustion

First recorded in 1640–50, exhaustion is from the New Latin word exhaustiōn- (stem of exhaustiō). See exhaust, -ion

Related formspre·ex·haus·tion, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for exhaustion

British Dictionary definitions for exhaustion


/ (ɪɡˈzɔːstʃən) /


extreme tiredness; fatigue
the condition of being used up; consumptionexhaustion of the earth's resources
the act of exhausting or the state of being exhausted
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for exhaustion



"fatigue," 1640s, noun of action from exhaust in sense of "drawing off" of strength.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for exhaustion


[ ĭg-zôschən ]


The inability to respond to stimuli; extreme fatigue.
The act or an instance of using up a supply of something.
The extraction of the active constituents of a drug by treating with water, alcohol, or another solvent.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.