Noun: ataractic drug
- A drug used to reduce stress or tension without reducing mental clarity
"The veterinarian administered a mild ataractic drug to calm the anxious dog";
- tranquilizer [N. Amer], tranquillizer, tranquilliser [Brit], antianxiety agent, ataractic agent, ataractic, trank [informal]
Derived forms: ataractic drugs
Type of: psychotropic, psychotropic agent, psychotropic drug, sedative-hypnotic, sedative-hypnotic drug