lifeless

I (dead) adjective abrogated, annihilated, annulled, at rest, bereft of life, breathless, cadaveric, cadaverous, canceled, deceased, defunct, demised, departed, destitute of life, devoid of life, ended, exanimate, exanimus, expired, extinct, gone, impercipient, inanimate, insensate, insensient, irrecoverable, late, null, passed away, passed on, perished, pulseless, quashed, repealed, unanimated, unfeeling, unrevived, void, without life II (dull) adjective apathetic, arid, banal, barren, benumbing, boring, characterless, colorless, commonplace, deactivated, deadened, debilitated, dismal, dormant, drearisome, dreary, dronish, dry, empty, exsanguis, feeble, flat, frigidus, hebetudinous, inactive, indolent, inert, inexcitable, insensible, insipid, insulse, lackadaisical, lackluster, laggard, languid, languourness, lazy, leaden, lethargic, lethargical, listless, lumpish, lusterless, monotonous, oscitant, passionless, passive, phlegmatic, pococurante, producing boredom, producing ennui, prosaic, quiescent, quiet, slothful, sluggish, somber, spiritless, stagnant, stale, stodgy, stupefied, supine, tame, tedious, tired, tiresome, torpescent, torpid, trite, unactivated, unaroused, uncaptivating, unenlivened, unenterprising, unentertaining, unenthusiastic, unfeeling, unfertile, unimaginative, unimpassioned, uninspired, uninspiring, uninteresting, uninventive, unlivery, unoriginal, unresponsive, unsparkling, unspirited, unvivid, usual, vapid, vegatating, vegetative, weak, wearisome, wearying III index dead, deceased, defunct, languid, mediocre, otiose, pedestrian, phlegmatic, ponderous, stagnant, torpid