INACTIVE

adj. 1 passive, placid, quiet, tranquil, quiescent, serene, peaceful, pacific, resting, unmoving, motionless, immobile, immobilized, still, inert, lifeless, inanimate, sluggish, listless, lethargic, lackadaisical, languid, indolent, lazy, torpid, somnolent, idle, slothful, supine Although there was plenty to do round the house, he remained inactive all summer 2 non-functioning, inoperative, dormant; unoccupied, idle, unemployed, jobless, out of work, out of a job The volcano was inactive for a thousand years These miners have been inactive for six months.