depressant

The definition of a depressant is a substance that reduces functional or nervous activity, or something that hinders economics or other activity.

(noun)

See depressant in Webster's New World College Dictionary

adjective

lowering the rate of muscular or nervous activity

Origin: depress + -ant

noun

a depressant medicine, drug, etc.; sedative

See depressant in American Heritage Dictionary 4

adjective

Tending to lower the rate of vital physiological activities.

noun

An agent, especially a drug, that decreases the rate of vital physiological activities.

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