Synonyms of unreactive

1 Syllable
numb, still, quiet, dead, dull, slack, down
2 Syllables
sluggard, lazy, static, languid, idle, torpid, sluggish, asleep, leaden, inert, listless, stolid, sleepy, slothful, dormant, quiescent
3 Syllables
impotent, languorous, slumberous, unmoving, passive, phlegmatic, indolent, motionless, powerless
4 Syllables
immobile, paralyzed, impassive, apathetic, inactive
5 Syllables
unresponsive, inanimate