Definition that contains psychoactive drug
- leary United States psychologist who experimented with psychoactive drugs (including LSD) and became a well-known advocate of their use (1920-1996)
- hallucinogen a psychoactive drug that induces hallucinations or altered sensory experiences
- hallucinogenic drug a psychoactive drug that induces hallucinations or altered sensory experiences
- timothy francis leary United States psychologist who experimented with psychoactive drugs (including LSD) and became a well-known advocate of their use (1920-1996)
- psychedelic drug a psychoactive drug that induces hallucinations or altered sensory experiences
- timothy leary United States psychologist who experimented with psychoactive drugs (including LSD) and became a well-known advocate of their use (1920-1996)
- psychodelic drug a psychoactive drug that induces hallucinations or altered sensory experiences
- 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
- tim leary United States psychologist who experimented with psychoactive drugs (including LSD) and became a well-known advocate of their use (1920-1996)
- euphoriant a psychoactive drug that tends to produce elation and euphoria