ataractic
名词 ataractic:
a drug used to reduce stress or tension without reducing mental clarity
同义词:tranquilizer, tranquillizer, tranquilliser, antianxiety agent, ataractic drug, ataractic agent
形容词 ataractic:
tending to soothe or tranquilize
同义词:ataraxic, sedative, tranquilizing, tranquilising