US /ˈkoʊməˌtoʊs/ UK /ˈkəʊmətəʊs/
adj Freq #24075

Meanings

  1. 1
    adj

    in a coma or a state of deep, prolonged unconsciousness

    The patient remained comatose for two days after the accident.

  2. 2
    adj

    figuratively, extremely lethargic, unresponsive, or inactive

    After the enormous meal, everyone sat comatose around the table.

Thesaurus

Synonyms
1 adj · in a coma or a state of... unconsciousinsensible
2 adj · figuratively, extremely... lethargictorpidunresponsive
Opposites
Word family
Derived forms semicomatose

Etymology

From Ancient Greek koma ("deep sleep"), genitive komatos, combined with the adjectival suffix -ose ("full of or characterized by"). The figurative sense extends medical unconsciousness to profound sluggishness or inactivity.

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