/ Dictionary / Index E exhausting: Meaning and Definition of Find definitions for: ex•haust•ing Pronunciation: (ig-zô'sting), [key] — adj. producing or tending to produce fatigue, weariness, or the like: an exhausting day; an exhausting child. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: exhausting (Thesaurus) exhaust-gas recirculation exhaustion 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