List of slumbering synonyms and slumbering related words.
abeyant, apathetic, asleep, cataleptic, catatonic, comatose, dead, dead asleep, deep asleep, dopey, dormant, dull, fast asleep, flaked-out, flat, foul, groggy, heavy, in abeyance, in suspense, inactive, inert, languid, languorous, latent, leaden, lifeless, logy, oblivious, out, passive, phlegmatic, sedentary, slack, sleeping, sluggish, smoldering, sound asleep, stagnant, standing, static, suspended, tame, torpid, unaroused, unconscious