Synonyms of inert

1 Syllable

numb, slow, neb, still, quiet, down, dead, dull, slack

2 Syllables

drony, slowest, stagnant, leaden, stock-still, dormant, latent, lazy, idle, torpid, laziest, stiller, azoic, slowgoing, sleepy, quiescent, sullen, neutral, static, languid, lazier, stilling, sluggish, offed, asleep, stretchy, fallow, slothful, mopish, sluggard, sleeping, snoozy, mooney, slower, stillest, deadest, deader, stilled, listless, stolid

3 Syllables

slumbering, vestigial, unmoving, powerless, unplanted, lifeless, unseeded, stuporous, bystanding, insentient, mineral, impotent, languorous, sleepyhead, slumberous, unconscious, phlegmatic, unready, motionless, gridlocked, lymphatic, slow-moving, deadlocked, lethargic, passive, indolent

4 Syllables

immotile, unreactive, apathetic, impassive, non-combatant, inactive, uninvolved, middle-of-road, nonanimal, apoplectic, paralyzed, stationary, noncombatant, energyless, immobile, unindustrious, sleepyheaded, unrealized, nonresistant, nonaligned

5 Syllables

unresponsive, lackadaisical, nonbelligerent, exanimate, nonvegetable, inanimate, tortoiselike, unenergetic, hebetudinous, disenfranchised

6 Syllables

nonparticipating