ataractic

From Ancient Greek ἀτάρακτος (atáraktos, “intrepid”), from ταράσσω (tarássō).

ataractic (comparative more ataractic, superlative most ataractic)

1. (pharmacology) That has a tranquilizing effect.
   • 1961, Harry E. Wedeck, Dictionary of Aphrodisiacs, New York: The Citadel Press, page 59:

     Some drugs produce vivid hallucinations, others induce a relaxed condition, or are ataractic in their effect, that is, promote temporary tranquility[.]

   • 2013, Einar Kringlen, Heredity and Environment in the Functional Psychoses, Elsevier, →ISBN, page 180:

     Later on he was treated by the same psychiatrist with ataractic drugs.

ataractic (plural ataractics)

1. (pharmacology) A drug that is used to tranquilize; a tranquilizer.

• ataraxy