psychedelic

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UK/ˈsaɪ.kəˌdɛl.ɪk/UK/ˈsaɪ.kɪˌdɛl.ɪk/

adjective

Of, containing, generating, or reminiscent of drug-induced altered awareness, distortions of perception, hallucinations, etc.

Less commonScrabble 24

Meanings

adjectivepsychedelic (comparative more psychedelic, superlative most psychedelic)

comparative more psychedelic · superlative 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.

    1967, Joe David Brown, editor, The Hippies, New York: Time, Inc, page 2

    Synonyms: 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.

    2022 September 24, HarryBlank, “Transition”, in SCP Foundation, archived from the original on 23 May 2024

    Synonyms: multi-coloured

  3. hippie slangAwesome, cool, groovy.
nounpsychedelic (plural psychedelics)

plural 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.

    2006, Dean McCormick, Dead End Street, page 62
    1 more example

    Joseph started microdosing psychedelics five years ago to try to improve his mental health. […] In practice, only about a third of people who microdose carefully measure the amount of the psychedelic they are taking; most take just enough to begin feeling some effects, which usually start after an hour and last four to six hours.

    2022 February 28, Dana G. Smith, “More People Are Microdosing for Mental Health. But Does It Work?”, in The New York Times, →ISSN, archived from the original on 12 Mar 2022

Synonyms & antonyms

adjectiveOf, containing, generating, or reminiscent of drug-induced altered awareness, distortions of perception, hallucinations, etc.

adjectiveOf graphics, etc.: having abstract shapes, bright colours, etc., reminiscent of drug-induced distortions of perception or hallucinations.

More synonyms by meaning

adjectiveproducing distorted sensory perceptions and feelings or altered states of awareness or sometimes states resembling psychosis

adjectivehaving the vivid colors and bizarre patterns associated with psychedelic states

adjective(of a mental state) characterized by intense and distorted perceptions and hallucinations and feelings of euphoria or sometimes despair

Similar
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekψυχή“mind, soul”
  2. Englishpsychedelic

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.

Full word history & related roots →

Translations

Afrikaans psigedelies
  • psigedeliesof, containing or generating hallucinations, etc.
Bulgarian психедели́чен, психеде́лик
  • психедели́чен (psihedelíčen)of, containing or generating hallucinations, etc.
  • психеде́лик (psihedélik)psychoactive substance
Catalan psicodèlic, psiquedèlic
  • psicodèlicof, containing or generating hallucinations, etc.
  • psiquedèlicof, containing or generating hallucinations, etc.
Chinese Mandarin 迷幻
  • 迷幻 (míhuàn)of, containing or generating hallucinations, etc.
Czech psychedelický, psychedelikum
  • psychedelickýof, containing or generating hallucinations, etc.
  • psychedelikumpsychoactive substance
Danish psykedelisk
  • psykedeliskof, containing or generating hallucinations, etc.
Dutch psychedelisch
  • psychedelischof, containing or generating hallucinations, etc.
Esperanto maldormosonĝa
  • maldormosonĝaof, containing or generating hallucinations, etc.
Finnish psykedeelinen, psykedeeli
  • psykedeelinenof, containing or generating hallucinations, etc.
  • psykedeelipsychoactive substance
French psychédélique, psychédélique
  • psychédéliqueof, containing or generating hallucinations, etc.
  • psychédéliquepsychoactive substance
German psychedelisch, bewusstseinserweiternd
  • psychedelischof, containing or generating hallucinations, etc.
  • bewusstseinserweiterndof, containing or generating hallucinations, etc.
  • Psychedelikumpsychoactive substance
Greek ψυχοδηλωτικός, ψυχεδελικός
  • ψυχοδηλωτικός (psychodilotikós)of, containing or generating hallucinations, etc.
  • ψυχεδελικός (psychedelikós)of, containing or generating hallucinations, etc.
Hebrew פְּסִיכֶדֶלִי
  • פְּסִיכֶדֶלִי (psichedéli)of, containing or generating hallucinations, etc.
Hungarian tudattorzító, tudatmódosító
  • tudattorzítóof, containing or generating hallucinations, etc.
  • tudatmódosítóof, containing or generating hallucinations, etc.
  • bódítóof, containing or generating hallucinations, etc.
  • pszichedelikusof, containing or generating hallucinations, etc.
Italian psichedelico
  • psichedelicoof, containing or generating hallucinations, etc.
Latvian psihodēlisks
  • psihodēlisksof, containing or generating hallucinations, etc.
Lithuanian psichodelinis
  • psichodelinisof, containing or generating hallucinations, etc.
Norwegian Bokmål psykedelisk
  • psykedeliskof, containing or generating hallucinations, etc.
Polish psychodeliczny, psychodelik
  • psychodelicznyof, containing or generating hallucinations, etc.
  • psychodelikpsychoactive substance
Portuguese psicodélico
  • psicodélicoof, containing or generating hallucinations, etc.
Romanian psihedelic
  • psihedelicof, containing or generating hallucinations, etc.
Russian психодели́чный, психодели́ческий
  • психодели́чный (psixodelíčnyj)of, containing or generating hallucinations, etc.
  • психодели́ческий (psixodelíčeskij)of, containing or generating hallucinations, etc.
  • психоде́лик (psixodélik)psychoactive substance
Slovak psychedelický
  • psychedelickýof, containing or generating hallucinations, etc.
Spanish psicodélico
  • psicodélicoof, containing or generating hallucinations, etc.
Swedish psykedelisk
  • psykedeliskof, containing or generating hallucinations, etc.
Turkish psikedelik
  • psikedelikof, containing or generating hallucinations, etc.
Ukrainian психоделі́чний, психоде́лік
  • психоделі́чний (psyxodelíčnyj)of, containing or generating hallucinations, etc.
  • психоде́лік (psyxodélik)psychoactive substance

Rhymes & wordplay

Rhymes with psychedelic

All rhymes →
Cite this entry
APA

psychedelic. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/psychedelic

MLA

“psychedelic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/psychedelic. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “psychedelic,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/psychedelic.

Source: psychedelic on Wiktionary, CC BY-SA 4.0.