1) Comatose 2) Insensate 1) Inanimate 2) Insensate 3) Not sentient 4) Unfeeling 5) Without sensation or feeling 
In·sen'ti·ent adjective Not sentient; not having perception, or the power of perception. « The . . . attributes of an insentient , inert substance.» Reid. « But there can be nothing like to this sensation in the rose, because it is insentient .» Sir...
[adj] - devoid of feeling and consciousness and animation
insentient Unable to feel; lifeless.
adjective devoid of feeling and consciousness and animation; `insentient (or insensate) stone`
not sentient; without sensation or feeling; inanimate.