(of a mental state) characterized by intense and distorted perceptions and hallucinations and feelings of euphoria or sometimes despair; "a psychedelic experience"
having the vivid colors and bizarre patterns associated with psychedelic states; "a psychedelic painting"
producing distorted sensory perceptions and feelings or altered states of awareness or sometimes states resembling psychosis; "psychedelic drugs like psilocybin and mescaline"
a training program in which a person is given information about physiological processes (heart rate or blood pressure) that is not normally available with the goal of gaining conscious control of them
experiencing or accompanied by sleeplessness; "insomniac old people"; "insomniac nights"; "lay sleepless all night"; "twenty watchful, weary, tedious nights"- Shakespeare
any of various mostly Mexican herbs of the genus Cosmos having radiate heads of variously colored flowers and pinnate leaves; popular fall-blooming annuals