terminationEnglishOxford American Thesaurustermination noun 1 the termination of a contract: ending, end, closing, close, conclusion, finish, stop, stopping, stoppage, winding up, discontinuance, discontinuation, breaking off, cessation, cutting short; cancellation, dissolution; Law cesser, lapse; informal windup. ▷antonyms start, beginning. 2 she never considered having a termination: abortion; rare feticide.