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psychedelic

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The definition of psychedelic is something related to drugs that cause hallucinations or altered consciousness, or the sounds and sites associated with these drugs.

(adjective)

LSD (acid), a drug that alters your mind and causes hallucinations, is an example of a drug that would be described as a psychedelic drug.
The Beatles are an example of a band that would be described as producing psychedelic music.
A brightly dyed t-shirt with swirls of different colors is an example of a shirt that would be described as psychedelic.

See psychedelic in Webster's New World College Dictionary

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adjective

of or causing extreme changes in the conscious mind, as hallucinations, delusions, intensification of awareness and sensory perception, etc.
of or associated with psychedelic drugs; specif., simulating the auditory or visual effects of the psychedelic state
designating any of various fluorescent colors popularized during the 1960s

Origin: < psyche + Gr dēloun, to make manifest

noun

a psychedelic drug

Related Forms:

psychedelically adverb

See psychedelic in American Heritage Dictionary 4

adjective

Of, characterized by, or generating hallucinations, distortions of perception, altered states of awareness, and occasionally states resembling psychosis.

noun

A drug, such as LSD or mescaline, that produces such effects.

Origin:

Origin: psyche¹

Origin: + Greek dēloun, to make visible (from dēlos, clear, visible; see dyeu- in Indo-European roots)

Origin: + -ic

Related Forms: