Meaning of “hallucinate” in the English Dictionary

"hallucinate" in British English

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(Definition of “hallucinate” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"hallucinate" in American English

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hallucinateverb [ I ]

us /həˈlu·səˌneɪt/

to see or hear something that does not exist:

Police said the suspect was yelling incoherent statements as if he was hallucinating.
hallucination
noun [ C/U ] us /həˌlu·səˈneɪ·ʃən/

[ C ] His fever was so high he was having hallucinations.

(Definition of “hallucinate” from the Cambridge Academic Content Dictionary © Cambridge University Press)