psychedelic

adjectives

producing distorted sensory perceptions and feelings or altered states of awareness or sometimes states resembling psychosis
"psychedelic drugs like psilocybin and mescaline"
is derived from
is similar to
affecting the mind or mood or other mental processes
"psychoactive drugs"
having the vivid colors and bizarre patterns associated with psychedelic states
"a psychedelic painting"
is similar to
having striking color
"colorful autumn leaves"
(of a mental state) characterized by intense and distorted perceptions and hallucinations and feelings of euphoria or sometimes despair
"a psychedelic experience"
is similar to
troubled emotionally and usually deeply
"agitated parents"