- A sensory perception of something that does not exist, often arising from disorder of the nervous system, as in delirium tremens; a delusion.
- Hallucinations are always evidence of cerebral derangement and are common phenomena of insanity. - W. A. Hammond
- The act of hallucinating; a wandering of the mind; an error, mistake or blunder.
- This must have been the hallucination of the transcriber. - Joseph Addison
sensory perception of something that does not exist
act of hallucinating
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hallucination f (plural hallucinations)