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hallucination

[/həˌluːsɪˈneɪʃən/]
nounfemininepl: hallucinations / alucinações
alucinação
1. A false perception or belief that something is real when it exists only in the mind, often caused by mental illness, drugs, or high fever
The patient experienced vivid hallucinations after the high fever.
O paciente experimentou alucinações vívidas após a febre alta.
2. An experience in which one perceives something that is not actually present or not as it appears
Sleep deprivation can trigger hallucinations.
A privação de sono pode desencadear alucinações.
3. In AI and language models, the generation of plausible-sounding but false or fabricated information
The AI's hallucination produced incorrect citations.
A alucinação da IA produziu citações incorretas.
NYC Slang
trip / seeing things
Synonyms
delusionillusionmirageapparitionvision
Antonyms
realityfacttruth

Regional Variations

General Brazilian Portuguese
alucinação
Most commonly used term across Brazil
São Paulo
alucinação
Standard usage in business and medical contexts
Portugal
alucinação
Same as Brazil; universally understood

Related Idioms & Phrases

have hallucinations
suffer from hallucinations
experience a hallucination
visual/auditory hallucination
alucinação coletiva (collective hallucination)
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