psychedelic

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psychedelic

  • /ˈsaɪ.kəˌdɛl.ɪk/ UK
  • /ˈsaɪ.kɪˌdɛl.ɪk/ UK

Rhymes with -ɛlɪk

Where it comes from

From Ancient Greek ψυχή (psukhḗ, “mind, soul”) + δῆλος (dêlos, “manifest, visible”) + English -ic (prefix forming adjectives with the sense ‘of or pertaining to’), coined by the English psychiatrist Humphry Osmond (1917–2004) in a 1956 letter to Aldous Huxley.

adjective more psychedelic · most psychedelic

  1. Of, containing, generating, or reminiscent of drug-induced altered awareness, distortions of perception, hallucinations, etc. With those drugs has come the psychedelic philosophy, an impassioned belief in the self-revealing, mind-expanding powers of potent weeds and seeds and chemical compounds known to man since prehistory but wholly alien to the rationale of Western society.

    Similar: lysergic, psych, trippy

  2. Of graphics, etc.: having abstract shapes, bright colours, etc., reminiscent of drug-induced distortions of perception or hallucinations. There was a woman sitting on the edge of his bed. She had coral-orange hair, beryl-blue eyes, arched brows, freckles, a coy smile, a psychedelic labcoat and she was, he suddenly realized, his best friend of over twenty years.

    Similar: multi-coloured

  3. Awesome, cool, groovy.

noun psychedelics

  1. Any psychoactive substance (such as LSD or psilocybin) which, when consumed, causes perceptual changes (sometimes erratic and uncontrollable), visual hallucination, and altered awareness of the body and mind. I was going to become a three-drug connection to all my friends, psychedelics, hash and pot.

Thesaurus

Closest in meaning: colorful, colourful, agitated, psychoactive, psychotropic, neopsychedelic, hallucinatory, hallucinational, hallucinotic, hallucinative, hypnodelic, psycholytic, psychotic, pseudohallucinatory, cyberdelic, entheogenic

Translations

Every language

adj of, containing or generating hallucinations, etc.

Españolpsicodélico
中文迷幻 míhuàn
Portuguêspsicodélico
Françaispsychédélique
Deutschpsychedelisch, bewusstseinserweiternd
Italianopsichedelico
Ελληνικάψυχοδηλωτικός psychodilotikós, ψυχεδελικός psychedelikós
Românăpsihedelic
Русскийпсиходели́чный psixodelíčnyj, психодели́ческий psixodelíčeskij
עבריתפְּסִיכֶדֶלִי psichedéli

noun psychoactive substance

Françaispsychédélique
DeutschPsychedelikum
Русскийпсиходе́лик psixodélik

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MLA

"psychedelic." Wiktionary, via Micwyn, micwyn.com/word/psychedelic. Accessed 6 Nov. 2026.

APA

psychedelic. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/psychedelic

Chicago

"psychedelic." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/psychedelic.

BibTeX
@misc{psychedelic_2026,
  title = {psychedelic},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/psychedelic},
  urldate = {2026-11-06}
}