loss of consciousness lossless • lossproof · · · Info · Definitions · Characters · · loss of consciousness · · Text Common · · Latin · · Scripts 21 · · Length 6 · · Syllables Definitions · · · (noun) the occurrence of a loss of the ability to perceive and respond. Synonyms: loss of consciousness. · · Noun Definition 1 Characters · · space U+0020 c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075