Standard Lemma guide

hallucinogen

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /ˌhæl.uːˈsɪn.ə.dʒən/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: /həˈluː.sɪ.nə.d͡ʒɛn/

1

noun

Meaning 1

Any substance tending to induce hallucination.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a psychoactive drug that induces hallucinations or altered sensory experiences

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: hallucinogenic drug, psychedelic drug, psychodelic drug

Antonyms: none provided

Broader terms: psychoactive drug, mind-altering drug, consciousness-altering drug, psychoactive substance

Narrower terms: lysergic acid diethylamide, LSD, mescaline, peyote, phencyclidine, phencyclidine hydrochloride, PCP, angel dust, psilocybin, psilocin, salvinorin

History

Etymology

Etymology tree English hallucination Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- Proto-Indo-European *ǵenh1- Proto-Indo-European *-os Proto-Indo-European *ǵénh1os Proto-Hellenic *génos Ancient Greek γένος (génos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -γενής (-genḗs)lbor. French -gènebor. English -gen English hallucinogen From hallucination + -o- (interconsonantal) + -gen (“producer”).

Across languages

Translations

22 source translations are retained for this English entry.

  • Bashkir: галлюциноген (gallyutsinogen) — that which causes hallucinations
  • Catalan: al·lucinogen — that which causes hallucinations
  • Chinese Mandarin: 迷幻劑 /迷幻剂 (míhuànjì) — that which causes hallucinations
  • Czech: halucinogen — that which causes hallucinations
  • Dutch: hallucinogeen — that which causes hallucinations
  • Estonian: hallutsinogeen — that which causes hallucinations
  • Finnish: hallusinogeeni — that which causes hallucinations
  • French: hallucinogène — that which causes hallucinations
  • German: Halluzinogen — that which causes hallucinations
  • Greek: παραισθησιογόνο (paraisthisiogóno) — that which causes hallucinations
  • Hungarian: hallucinogén — that which causes hallucinations
  • Kazakh: галлюциноген (gallüsinogen) — that which causes hallucinations
  • Korean: 환각제 (hwan'gakje) — that which causes hallucinations
  • Kyrgyz: галлюциноген (gallyutsinogen) — that which causes hallucinations
  • Persian: توهمزا (tavahhom-zâ) — that which causes hallucinations
  • Polish: halucynogen — that which causes hallucinations
  • Portuguese: alucinógeno — that which causes hallucinations
  • Russian: галлюциноге́н (galljucinogén) — that which causes hallucinations
  • Spanish: alucinógeno — that which causes hallucinations
  • Swedish: hallucinogen — that which causes hallucinations
  • Turkish: halüsinojen — that which causes hallucinations
  • Ukrainian: галюциноге́н (haljucynohén) — that which causes hallucinations