psychedelic
1. [ adjective ] (color) having the vivid colors and bizarre patterns associated with psychedelic states
Examples:

"a psychedelic painting"

Related terms: colorful
2. [ adjective ] (psychology) producing distorted sensory perceptions and feelings or altered states of awareness or sometimes states resembling psychosis
Examples:

"psychedelic drugs like psilocybin and mescaline"

Related terms: psychoactive
3. [ adjective ] of a mental state characterized by intense and distorted perceptions and hallucinations and feelings of euphoria or sometimes despair
Examples:

"a psychedelic experience"

Related terms: agitated
Similar spelling:   psychedelia
  psychotic
  psychiatric
  psychodid