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Synset

a sedative that depresses activity of the central nervous system and reduces anxiety and induces sleep
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sedative-hypnotic more info
sedative-hypnotic drug more info
semantic pointers
hyponym
barbiturate ethchlorvynol, Placidyl methaqualone, Quaalude thalidomide tranquilizer, tranquillizer, tranquilliser, antianxiety agent, ataractic drug, ataractic agent, ataractic
hypernym
sedative, sedative drug, depressant, downer