comatose
adjective
[ ˈkəʊmətəʊs ]
• relating to or in a state of coma.
• "she had been comatose for seven months"
Similar:
unconscious,
in a coma,
insensible,
senseless,
blacked out,
passed out,
insentient,
insensate,
soporose,
soporous,
Origin:
late 17th century: from Greek kōma, kōmat- ‘deep sleep’ + -ose1.