| NOUN | artifact | sedative-hypnotic, sedative-hypnotic drug | a sedative that depresses activity of the central nervous system and reduces anxiety and induces sleep |
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| Meaning | A sedative that depresses activity of the central nervous system and reduces anxiety and induces sleep. | |
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| Synonym | sedative-hypnotic drug | |
| Narrower | barbiturate | organic compound having powerful soporific effect |
| ethchlorvynol, Placidyl | A mild sedative-hypnotic drug (trade name Placidyl) | |
| methaqualone, Quaalude | sedative-hypnotic drug (trade name Quaalude) that is a drug of abuse | |
| thalidomide | A sedative and hypnotic drug | |
| tranquilizer, tranquillizer, tranquilliser, antianxiety agent, ataractic drug, ataractic agent, ataractic | A drug used to reduce stress or tension without reducing mental clarity | |
| Broader | sedative, sedative drug, depressant, downer | A drug that reduces excitability and calms a person |
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