1. (

• psychedelic

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

2. (

• psychedelic

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

3. (

• psychedelic

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