downer

Synonyms:

depressant, sedative, sedative drug

Types:

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chloral hydrate

a colorless crystalline drug used as a sedative; irritates the stomach and can be addictive

Doriden, glutethimide

sedative (trade name Doriden) used to treat some sleep disorders

sedative-hypnotic, sedative-hypnotic drug

a sedative that depresses activity of the central nervous system and reduces anxiety and induces sleep

barbiturate

organic compound having powerful soporific effect; overdose can be fatal

Placidyl, ethchlorvynol

a mild sedative-hypnotic drug (trade name Placidyl)

knockout drops

chloral hydrate in combination with alcohol; usually administered surreptitiously to make the drinker unconscious

Quaalude, methaqualone

sedative-hypnotic drug (trade name Quaalude) that is a drug of abuse

thalidomide

a sedative and hypnotic drug; withdrawn from sale after discovered to cause severe birth defects because it inhibits angiogenesis

antianxiety agent, ataractic, ataractic agent, ataractic drug, tranquilizer, tranquilliser, tranquillizer

a drug used to reduce stress or tension without reducing mental clarity

Type of:

drug of abuse, street drug

a drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction

medicament, medication, medicinal drug, medicine

(medicine) something that treats or prevents or alleviates the symptoms of disease