Definition of comatose in US English:



  • 1Of or in a state of deep unconsciousness for a prolonged or indefinite period, especially as a result of severe injury or illness.

    ‘she had been comatose for seven months’
    ‘lying in a comatose state’
    • ‘On admission, the patient was acidotic, and he rapidly became comatose.’
    • ‘Patients were excluded if they were comatose, unresponsive, and/or intubated.’
    • ‘Some 20 minutes later he returned, accompanied by a shaken overdose victim who had some 15 minutes earlier been comatose and blue.’
    • ‘Erik, when he was moved out of the trauma unit to an acute care floor in the hospital, was put into the room with another comatose patient.’
    • ‘She's stable, which gives her a pretty good chance of coming out without much harm, but it's always hard to tell with comatose patients.’
    • ‘As hypoxemia supervenes, the patient becomes comatose and death may result from ventricular fibrillation or asystole.’
    • ‘Occasionally, intoxicated patients may be neither comatose nor organic but have initial symptoms compatible with a psychosis.’
    • ‘He had a fever of 105 and was comatose when he arrived at the hospital late in January.’
    • ‘A common misconception is that a patient must be comatose to be diagnosed with myxedema coma.’
    • ‘Drugs of another type are used as respiratory stimulants in deeply comatose patients or those with respiratory failure.’
    • ‘Constant infusions may be useful in patients with constant dyspnea or patients who are comatose.’
    • ‘Pyramidal nervous system signs are often prominent, especially in the comatose patient.’
    • ‘They kept complaining about pain and kept getting more and more narcotics in response to their complaints until they were comatose from the drugs.’
    • ‘When a ventilator is removed from an apnoeic comatose patient, it is the disease or injury that causes the loss of the patient's ability to breathe spontaneously.’
    • ‘No clinical signs of toxicity were observed, but the patient was comatose.’
    • ‘This was followed by a nonfluent aphasia about a month after the injury, and the patient became progressively more obtunded and comatose.’
    • ‘The doctors told them the minute they went in to see her that comatose patients weren't able to talk, but they could hear.’
    • ‘The patient remained comatose and was transported to the computed tomographic scanner.’
    • ‘In the field, a doctor may be called to the aid of a severely ill, comatose patient.’
    • ‘Consciousness ranges from alert to confused to a comatose state in less than 20 percent of patients.’
    unconscious, in a coma, insensible, senseless, blacked out, passed out, insentient, insensate
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    1. 1.1humorous (of a person or thing) extremely exhausted, lethargic, or sleepy.
      ‘the economy remains almost comatose’
      • ‘As his government went from indolent to comatose, he made unprecedented use of the government jet as a taxi back home.’
      inert, torpid, inactive, lethargic, sluggish, lifeless, listless, languid, lazy, idle, indolent, shiftless, slothful, heavy, stagnant, sleepy, drowsy, somnolent, languorous, apathetic, passive, hibernating, sleeping, dormant, supine
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Late 17th century: from Greek kōma, kōmat- ‘deep sleep’ + -ose.