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comatose (adj) be in a state of coma; extremely tired.
When a person is in a deep and prolonged state of unconsciousness, caused by an illness or injury, they are comatose. Acute diabetics may lapse into coma, that is, deep and prolonged unconsciousness. There have been a number of cases of people being comatose for years. That is, being deeply unconscious for years on end, as a result of head injuries causing brain damage. In such circumstances, the question of euthanasia or mercy killing assumes importance, if, in the opinion of medical experts, the patient can never regain consciousness. To be extremely tired, and so not being able to think properly or concentrate on anything, is also to be comatose. When at the end of the day's work, all that you can think of is a good dinner followed by sound sleep, you are comatose.
- As a result of the head injury Ann suffered in a car crash, she has been comatose for past two years, all the time unconscious and sustained only by tube feeding. There is no knowing when she will be conscious again.
- Do not try to ask for John's advice now. He is yet to recover from the jet lag of his weeklong travel. He is almost comatose and is not in a position to think of, let alone advice on a problem like this.