1. in a coma; unconscious and unresponsive due to severe illness or injury
Usage: medical
2. extremely tired or lethargic; lacking energy or alertness
Usage: informal

Examples

• The patient remained comatose for three weeks after the accident.
• Doctors were unsure when the comatose woman would regain consciousness.
• After working two double shifts, I felt completely comatose.
• The medication left him feeling comatose and unable to concentrate.
• She lay comatose in the hospital bed, surrounded by worried family members.
• The heat made everyone comatose during the afternoon meeting.