jerkyEnglishOxford American Thesaurusjerky adjective 1 the jerky movements of a frightened horse: convulsive, spasmodic, fitful, twitchy, paroxysmal, shaking, shaky, tremulous, uncontrolled, uncontrollable. ▷antonyms fluid, smooth. 2 the coach drew to a jerky halt: jolting, lurching, bumpy, bouncy, jarring, rough; rare jouncing. ▷antonyms smooth.