depressant
1. [ adjective ] (psychology) capable of depressing physiological or psychological activity or response by a chemical agent
Related terms: stimulative narcotic soporific ataractic narcotic hypnagogic relaxant ataractic
2. [ noun ] (medicine,pharmacology) a drug that reduces excitability and calms a person
Synonyms: sedative_drug downer sedative
Related terms: medicine drug_of_abuse bromide doriden chloral_hydrate sedative-hypnotic benzodiazepine
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