Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun tranquillizer

1 sense of tranquillizer

Sense 1
tranquilizer, tranquillizer, tranquilliser, antianxiety agent, ataractic drug, ataractic agent, ataractic -- (a drug used to reduce stress or tension without reducing mental clarity)
       => psychotropic agent -- (a chemical substance that can influence human consciousness)
       => sedative-hypnotic, sedative-hypnotic drug -- (a sedative that depresses activity of the central nervous system and reduces anxiety and induces sleep)