hallucination

Meaning

  1. (countable, uncountable) A sensory perception of something that does not exist, often arising from disorder of the nervous system, as in delirium tremens.
  2. (countable, uncountable) The act of hallucinating; a wandering of the mind; an error, mistake or blunder.
  3. (countable, uncountable) A confident but incorrect response given by an artificial intelligence; a confabulation.

Frequency

C2
Pronounced as (IPA)
/həˌluːsɪˈneɪʃən/
Etymology

In summary

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

Notes

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