Meaning of depressant

de•pres•sant

Pronunciation: (di-pres'unt), [key]
— adj.
  1. having the quality of depressing or lowering the vital activities; sedative.
  2. causing a lowering in spirits; dejecting.
  3. causing a drop in value; economically depressing.
—n.
  1. a sedative. Cf. stimulant (def. 1).
  2. any agent capable of diminishing a specific property of a substance.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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