Sluggish

Antonyms of SLUGGISH

active, employed, hurrying, whirling, Careering, assiduous, Barreling, occupied, kinetic, alert, rushing, scooting, zipping, quickened, hurried, rushed, energetic, speeding, spirited, fast, moving, running, engaged, Rocketing, hardworking, scurrying, meteoric, accelerated, working, lively, racing, scudding, sedulous, busy.