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at·a·rac·tic(ăt′ə-răk′tĭk) also at·a·rax·ic (-răk′sĭk)
Of or relating to a drug or other agent that has a tranquilizing effect.
[From Greek ataraktos, undisturbed : a-, not; see a-1 + taraktos, disturbed (from tarassein, tarak-, to disturb).]
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|Adj.||1.||ataraxic - tending to soothe or tranquilize; "valium has a tranquilizing effect"; "took a hot drink with sedative properties before going to bed"|
depressant - capable of depressing physiological or psychological activity or response by a chemical agent