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Definition of hallucination:

  1. The act of hallucinating; a wandering of the mind; error; mistake; a blunder.
  2. The perception of objects which have no reality, or of sensations which have no corresponding external cause, arising from disorder or the nervous system, as in delirium tremens; delusion.


psychotic belief, head game, ignis fatuus, study at illusion, illusion, fallacy, phantasma, mirage, real, phantasmagoria, phantasmagory, trip, phantasm, dream, delusion, error, mirage.

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