narcosynthesis\nar-ko-SIN-thu-sis\ n. pl. narcosyntheses \sees\ narcoanalysis directed toward making the patient recall repressed memories and emotional traumas. narcoanalysis\nar-ko-uh-NAL-uh-sis\ n. pl. narcoanalyses \sees\ psychotherapy conducted while the patient is in a sleeplike state induced by barbiturates or other drugs, especially as a means of releasing repressed feelings, thoughts, or