Meaning of “comatose” in the English Dictionary

british dictionary

"comatose" in British English

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comatoseadjective

uk /ˈkəʊ.mə.təʊs/ us /ˈkoʊ.mə.toʊs/

specialized medical in a coma

informal very tired or in a deep sleep because of extreme tiredness, hard work, or too much alcohol:

By midnight I was virtually comatose.

(Definition of “comatose” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"comatose" in American English

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comatoseadjective

us /ˈkoʊ·məˌtoʊs, ˈkɑm·ə-/ medical

(of a person) unconscious and not able to wake up, usually because of illness or injury:

The traffic accident left him comatose with massive brain damage.

(Definition of “comatose” from the Cambridge Academic Content Dictionary © Cambridge University Press)