Noun | 1. | ![]() benzodiazepine - any of several similar lipophilic amines used as tranquilizers or sedatives or hypnotics or muscle relaxants; chronic use can lead to dependency Dalmane, flurazepam, flurazepam hydrochloride - tranquilizer (trade name Dalmane) used to treat insomnia Atarax, hydroxyzine, hydroxyzine hydrochloride, Vistaril - a drug (trade names Atarax and Vistaril) used as a tranquilizer to treat anxiety and motion sickness Equanil, Meprin, meprobamate, Miltown - a sedative and tranquilizer (trade name Miltown and Equanil and Meprin) used to treat muscle tension and anxiety oxazepam, Serax - a tranquilizing drug (trade name Serax) used to treat anxiety and insomnia and alcohol withdrawal perphenazine, Triavil - tranquilizer and antidepressant (trade name Triavil) sometimes used as an antiemetic for adults antianxiety agent, ataractic, ataractic agent, ataractic drug, tranquilizer, tranquilliser, tranquillizer - a drug used to reduce stress or tension without reducing mental clarity |