Definition of psychedelic

  1. psychedelic Adjective Of, containing or generating hallucinations, distortions of perception, altered awareness etc
  2. psychedelic Noun Any psychoactive substance (such as LSD or psilocybin) which, when consumed, causes perceptual changes (sometimes erratic and uncontrollable), visual hallucination, and altered awareness of the body and mind.
  3. psychedelic Interjection awesome, cool, groovy
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