/ Dictionary / Index E exhaustion: Meaning and Definition of Find definitions for: ex•haus•tion Pronunciation: (ig-zôs'chun), [key] — n. 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: exhaustion (Thesaurus) exhausting exhaustive Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language