NARCOSIS Meaning of NARCOSIS in English [ nα:'kəʊsɪs ]■ noun Medicine a state of stupor, drowsiness, or unconsciousness produced by drugs.OriginC17: from Gk narkōsis , from narkoun 'make numb'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004