镇静 zhènjìng calm Origin Definitions Defs Strokes Stroke Words Sentences Sents 镇静剂 zhènjìngjì sedative sedative; tranquilizer; a type of medicine used to calm the nerves and treat anxiety or insomnia镇静药 zhènjìngyào sedative sedative; tranquilizer; a type of medicine used to calm the nerves, reduce anxiety, or treat insomnia