What is the meaning of delusion?

noun

  • Psychology) an erroneous belief that is held in the face of evidence to the contrary.
  • A mistaken or unfounded opinion or idea.
    • usage: "he has delusions of competence"; "his dreams of vast wealth are a hallucination"
  • The act of deluding; deception by creating illusory ideas.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). delusion. Retrieved September 22, 2026, from http://smartdefine.org/delusion/definitions/1191959
ChicagoWordNet. 2010. "delusion" http://smartdefine.org/delusion/definitions/1191959 (accessed September 22, 2026).
HarvardWordNet 2010, delusion, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/delusion/definitions/1191959>.
MLAWordNet. "delusion" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/delusion/definitions/1191959>
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