/ Dictionary / Index O overheat: Meaning and Definition of Find definitions for: o•ver•heat Pronunciation: (ō"vur-hēt'), [key] — v.t. to heat to excess. to excite or agitate; make vehement: a crowd overheated by rabble-rousers. —v.i. to become overheated: a stove that overheats alarmingly; a temper that overheats with little provocation. —n. the state or condition of being overheated; excessive heat, agitation, or vehemence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: overheat (Thesaurus) overhear overhit Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language