Словарь синонимов английского языка - spasmodic

(adj) 1. spasmodical, paroxysmal, convulsive, jerky, jerking, sudden, Technical spastic: John was quite uneasy, unaware that Cynthia's spasmodic winking was due to a tic. 2. fitful, irregular, intermittent, arrhythmic, random, interrupted, sporadic, erratic, occasional, periodic, unsustained, discontinuous, pulsating, cyclic(al), broken: Spasmodic peals of thunder shook the house.