1. Capable of depressing physiological or psychological activity or response by a chemical agent

1. A drug that reduces excitability and calms a person
   - sedative, sedative drug, downer

Derived forms: depressants

See also: ataractic, ataraxic, depress, hypnagogic, hypnogogic, narcotic, narcotising [Brit], narcotizing, relaxant, sedative, somniferous, somnific, soporiferous, soporific, tranquilizing [N. Amer], tranquillising [Brit], tranquillizing [Brit]

Type of: drug of abuse, medicament, medication, medicinal drug, medicine, street drug

Antonym: stimulative

Encyclopedia: Depressant

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