Meaning of delusion

de•lu•sion

Pronunciation: (di-l'zhun), [key]
— n.
  1. an act or instance of deluding.
  2. the state of being deluded.
  3. a false belief or opinion: delusions of grandeur.
  4. a fixed false belief that is resistant to reason or confrontation with actual fact: a paranoid delusion.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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