- hallucinogen, hallucinogenic drug, psychedelic drug, psychodelic drug - a psychoactive drug that induces hallucinations or altered sensory experiences
--1 is a kind of psychoactive drug, mind-altering drug, consciousness-altering drug, psychoactive substance
--1 has particulars:lysergic acid diethylamide, LSD; mescaline, peyote; phencyclidine, phencyclidine hydrochloride, PCP, angel dust; psilocybin, psilocin; salvinorin