Standard Lemma guide

hallucination

noun · 6 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.

  • /həˌluːsɪˈneɪʃən/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -eɪʃən
  • CMU ARPABET: HH AH0 L UW2 S AH0 N EY1 SH AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A sensory perception of something that does not exist, often arising from disorder of the nervous system, as in delirium tremens.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The act of hallucinating; a wandering of the mind; an error, mistake or blunder.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A confident but incorrect response given by an artificial intelligence; a confabulation.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Qualifier: artificial intelligence

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

an object perceived during a hallucinatory episode

Definition source: Princeton WordNet 3.0

Examples

  • he refused to believe that the angel was a hallucination

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: object

5

noun

Meaning 5

a mistaken or unfounded opinion or idea

Definition source: Princeton WordNet 3.0

Examples

  • he has delusions of competence
  • his dreams of vast wealth are a hallucination

Meaning relationships

Synonyms: delusion

Antonyms: none provided

Broader terms: misconception

Narrower terms: disorientation, freak out

6

noun

Meaning 6

illusory perception; a common symptom of severe mental disorder

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: delusion, psychotic belief

Narrower terms: auditory hallucination, acousma, pseudohallucination, trip, visual hallucination

History

Etymology

Derives from the verb hallucinate, from Latin hallucinatus. Compare French hallucination. The first known usage in the English language is from Sir Thomas Browne.

Across languages

Translations

127 source translations are retained for this English entry.

  • Afrikaans: hallusinasie — sensory perception of something that does not exist
  • Arabic: هَلْوَسَة (halwasa) — sensory perception of something that does not exist
  • Arabic: وَهْم (wahm) — sensory perception of something that does not exist
  • Arabic: اِنْخِدَاع (inḵidāʕ) — sensory perception of something that does not exist
  • Armenian: հալյուցինացիա (halyucʻinacʻia) — sensory perception of something that does not exist
  • Armenian: զգայախաբություն (zgayaxabutʻyun) — sensory perception of something that does not exist
  • Armenian: զգայապատրանք (zgayapatrankʻ) — sensory perception of something that does not exist
  • Asturian: allucinación — sensory perception of something that does not exist
  • Azerbaijani: hallüsinasiya — sensory perception of something that does not exist
  • Azerbaijani: qarabasma — sensory perception of something that does not exist
  • Azerbaijani: gözəgörünmə — sensory perception of something that does not exist
  • Basque: haluzinazio — sensory perception of something that does not exist
  • Basque: eldarnio — sensory perception of something that does not exist
  • Belarusian: галюцына́цыя (haljucynácyja) — sensory perception of something that does not exist
  • Bulgarian: халюцина́ция (haljucinácija) — sensory perception of something that does not exist
  • Catalan: al·lucinació — sensory perception of something that does not exist
  • Chinese Mandarin: 幻覺 /幻觉 (huànjué) — sensory perception of something that does not exist
  • Chinese Mandarin: 幻想 (huànxiǎng) — sensory perception of something that does not exist
  • Czech: halucinace — sensory perception of something that does not exist
  • Czech: přelud — sensory perception of something that does not exist
  • Danish: hallucination — sensory perception of something that does not exist
  • Dutch: waanbeeld — sensory perception of something that does not exist
  • Dutch: hallucinatie — sensory perception of something that does not exist
  • Esperanto: halucino — sensory perception of something that does not exist
  • Esperanto: vizio — sensory perception of something that does not exist
  • Estonian: hallutsinatsioon — sensory perception of something that does not exist
  • Finnish: aistiharha — sensory perception of something that does not exist
  • Finnish: harha-aistimus — sensory perception of something that does not exist
  • Finnish: hallusinaatio — sensory perception of something that does not exist
  • Finnish: harhanäky — sensory perception of something that does not exist
  • Finnish: näköharha — sensory perception of something that does not exist
  • French: hallucination — sensory perception of something that does not exist
  • French: illusion — sensory perception of something that does not exist
  • Galician: alucinación — sensory perception of something that does not exist
  • Georgian: ჰალუცინაცია (halucinacia) — sensory perception of something that does not exist
  • Georgian: ილუზია (iluzia) — sensory perception of something that does not exist
  • German: Halluzination — sensory perception of something that does not exist
  • German: Wahnvorstellung — sensory perception of something that does not exist
  • German: Sinnestäuschung — sensory perception of something that does not exist
  • German: Illusion — sensory perception of something that does not exist
  • Greek: παραίσθηση (paraísthisi) — sensory perception of something that does not exist
  • Hebrew: הזיה — sensory perception of something that does not exist
  • Hindi: विभ्रांति (vibhrānti) — sensory perception of something that does not exist
  • Hindi: विभ्रम (vibhram) — sensory perception of something that does not exist
  • Hindi: मतिभ्रम (matibhram) — sensory perception of something that does not exist
  • Hindi: मतिभ्रांति (matibhrānti) — sensory perception of something that does not exist
  • Hindi: भ्रम (bhram) — sensory perception of something that does not exist
  • Hindi: भ्रांति (bhrānti) — sensory perception of something that does not exist
  • Hindi: वहम (vaham) — sensory perception of something that does not exist
  • Hindi: इन्ख़िदा (inxidā) — sensory perception of something that does not exist
  • Hindi: इंख़िदा (iṅxidā) — sensory perception of something that does not exist
  • Hindi: हलवसा (halavsā) — sensory perception of something that does not exist
  • Hungarian: hallucináció — sensory perception of something that does not exist
  • Hungarian: érzékcsalódás — sensory perception of something that does not exist
  • Icelandic: skynvilla — sensory perception of something that does not exist
  • Indonesian: halusinasi — sensory perception of something that does not exist
  • Irish: bréagchéadfa — sensory perception of something that does not exist
  • Irish: éiclips — sensory perception of something that does not exist
  • Irish: mearú súl — sensory perception of something that does not exist
  • Irish: meascán mearaí — sensory perception of something that does not exist
  • Irish: speabhraíd — sensory perception of something that does not exist
  • Italian: allucinazione — sensory perception of something that does not exist
  • Japanese: 幻覚 (genkaku) — sensory perception of something that does not exist
  • Japanese: 幻想 (gensō) — sensory perception of something that does not exist
  • Kazakh: галлюцинация (gallüsinasiä) — sensory perception of something that does not exist
  • Kazakh: елестеушілік (elesteuşılık) — sensory perception of something that does not exist
  • Korean: 환각 (hwan'gak) — sensory perception of something that does not exist
  • Latvian: halucinācija — sensory perception of something that does not exist
  • Lithuanian: haliucinacija — sensory perception of something that does not exist
  • Luxembourgish: Halluzinatioun — sensory perception of something that does not exist
  • Macedonian: халуцина́ција (halucinácija) — sensory perception of something that does not exist
  • Māori: pohewatanga — sensory perception of something that does not exist
  • Marathi: विभ्रांति (vibhrānti) — sensory perception of something that does not exist
  • Marathi: विभ्रम (vibhram) — sensory perception of something that does not exist
  • Marathi: मतिभ्रम (matibhram) — sensory perception of something that does not exist
  • Marathi: मतिभ्रांति (matibhrānti) — sensory perception of something that does not exist
  • Marathi: भ्रम (bhram) — sensory perception of something that does not exist
  • Marathi: भ्रांति (bhrānti) — sensory perception of something that does not exist
  • Nepali: विभ्रांति (vibhrānti) — sensory perception of something that does not exist
  • Nepali: विभ्रम (vibhram) — sensory perception of something that does not exist
  • Nepali: मतिभ्रम (matibhram) — sensory perception of something that does not exist
  • Nepali: मतिभ्रांति (matibhrānti) — sensory perception of something that does not exist
  • Nepali: भ्रम (bhram) — sensory perception of something that does not exist
  • Nepali: भ्रांति (bhrānti) — sensory perception of something that does not exist
  • Norwegian Bokmål: hallusinasjon — sensory perception of something that does not exist
  • Norwegian Nynorsk: hallusinasjon — sensory perception of something that does not exist
  • Plautdietsch: Feebadroom — sensory perception of something that does not exist
  • Polish: halucynacja — sensory perception of something that does not exist
  • Portuguese: alucinação — sensory perception of something that does not exist
  • Russian: галлюцина́ция (galljucinácija) — sensory perception of something that does not exist
  • Russian: иллю́зия (illjúzija) — sensory perception of something that does not exist
  • Russian: наважде́ние (navaždénije) — sensory perception of something that does not exist
  • Russian: глюк (gljuk) — sensory perception of something that does not exist
  • Sanskrit: विभ्रान्ति (vibhrānti) — sensory perception of something that does not exist
  • Sanskrit: विभ्रम (vibhrama) — sensory perception of something that does not exist
  • Sanskrit: मतिभ्रम (matibhrama) — sensory perception of something that does not exist
  • Sanskrit: मतिभ्रान्ति (matibhrānti) — sensory perception of something that does not exist
  • Sanskrit: भ्रम (bhrama) — sensory perception of something that does not exist
  • Sanskrit: भ्रान्ति (bhrānti) — sensory perception of something that does not exist
  • Slovak: halucinácia — sensory perception of something that does not exist
  • Slovene: halucinacija — sensory perception of something that does not exist
  • Sotho: pono tse fosahetseng — sensory perception of something that does not exist
  • Spanish: alucinación — sensory perception of something that does not exist
  • Spanish: ilusión — sensory perception of something that does not exist
  • Swedish: hallucination — sensory perception of something that does not exist
  • Telugu: భ్రాంతి (bhrānti) — sensory perception of something that does not exist
  • Telugu: భ్రమ (bhrama) — sensory perception of something that does not exist
  • Thai: ภาพลวงตา (paa pluang dtaa) — sensory perception of something that does not exist
  • Turkish: sanrı — sensory perception of something that does not exist
  • Turkish: halüsinasyon — sensory perception of something that does not exist
  • Ukrainian: галюцина́ція (haljucynácija) — sensory perception of something that does not exist
  • Welsh: rhithweledigaeth — sensory perception of something that does not exist
  • Afrikaans: hallusineer — act of hallucinating
  • Bulgarian: халюциниране (haljucinirane) — act of hallucinating
  • Catalan: al·lucinació — act of hallucinating
  • Finnish: harha-aistimus — act of hallucinating
  • Finnish: hallusinointi — act of hallucinating
  • Galician: alucinación — act of hallucinating
  • German: Halluzinieren — act of hallucinating
  • Greek: παραίσθηση (paraísthisi) — act of hallucinating
  • Irish: siabhránacht — act of hallucinating
  • Macedonian: халуцини́рање (haluciníranje) — act of hallucinating
  • Māori: pohewatanga — act of hallucinating
  • Portuguese: alucinação — act of hallucinating
  • Sotho: phofa — act of hallucinating
  • Spanish: alucinación — act of hallucinating
  • Turkish: halüsinasyon görme — act of hallucinating
Real reading context

hallucination in complete knowledge articles