/ Dictionary / Index C comatose: Meaning and Definition of Find definitions for: com•a•tose Pronunciation: (kom'u-tōs", kō'mu-), [key] — adj. affected with or characterized by coma. lacking alertness or energy; torpid: comatose from lack of sleep. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: comatose (Thesaurus) comatic comatulid Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language