Synonyms of psychedelic

Adjective

1. psychedelic, psychoactive (vs. nonpsychoactive), psychotropic

usage: producing distorted sensory perceptions and feelings or altered states of awareness or sometimes states resembling psychosis; "psychedelic drugs like psilocybin and mescaline"

2. psychedelic, colorful (vs. colorless), colourful

usage: having the vivid colors and bizarre patterns associated with psychedelic states; "a psychedelic painting"

3. psychedelic, agitated (vs. unagitated)

usage: (of a mental state) characterized by intense and distorted perceptions and hallucinations and feelings of euphoria or sometimes despair; "a psychedelic experience"

Definition and meaning of psychedelic (Dictionary)