semiconscious adj 1: partially conscious; not completely aware of sensations
Semiconscious \Sem`i*con"scious\, a. Half conscious; imperfectly conscious. --De Quincey. [1913 Webster]
22 Moby Thesaurus words for "semiconscious": asleep, cataleptic, catatonic, cold, comatose, dead, doped, drugged, half-conscious, narcotized, nirvanic, oblivious, out, out cold, out of it, senseless, spaced out, stoned, strung out, unconscious, zonked, zonked out