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psychoactive substance

   Also found in: Medical, Legal, Encyclopedia, Wikipedia 0.07 sec.
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Noun1.psychoactive substance - a drug that can produce mood changes and distorted perceptions
consciousness-altering drug, mind-altering drug, psychoactive drug
designer drug - a psychoactive drug deliberately synthesized to avoid anti-drug laws; mimics the effects of a banned drug; law was revised in 1986 to ban designer drugs
dronabinol - psychoactive substance present in marijuana; used therapeutically to control nausea associated with cancer therapy
drug - a substance that is used as a medicine or narcotic
euphoriant - a psychoactive drug that tends to produce elation and euphoria
hallucinogen, hallucinogenic drug, psychedelic drug, psychodelic drug - a psychoactive drug that induces hallucinations or altered sensory experiences
tetrahydrocannabinol, THC - psychoactive substance present in marijuana
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