adjective.
Of, relating to, or affected with coma; unconscious.
adjective.
Marked by lethargy; torpid.
The Century Dictionary and Cyclopedia
Pertaining to or resembling coma; affected with coma; morbidly drowsy or lethargic: as, a comatose state; a comatose patient; “hysterical and comatose cases,”
the GNU version of the Collaborative International Dictionary of English
adjective.
Relating to, or resembling, coma; drowsy; lethargic.