Definition of delusion - WordReference.com Dictionary

WordReference.com English Dictionary

delusion
A	noun
	1	delusion, illusion, head game
			the act of deluding; deception by creating illusory ideas
		Category Tree: act; human action; human activity ╚activity ╚wrongdoing; wrongful conduct; misconduct; actus reus ╚falsification; misrepresentaation ╚deception; deceit; dissembling; dissimulation ╚delusion, illusion, head game
	2	delusion, hallucination
			a mistaken or unfounded opinion or idea; "he has delusions of competence"; "his dreams of vast wealth are a hallucination"
		Category Tree: psychological feature ╚cognition; knowledge; noesis ╚content; cognitive content; mental object ╚idea; thought ╚misconception ╚delusion, hallucination ╚disorientation; freak out
	3	delusion, psychotic belief
			(psychology) an erroneous belief that is held in the face of evidence to the contrary
		Category Tree: state ╚condition; status ╚psychological state; mental state ╚delusion, psychotic belief ╚zoanthropy ╚somatic delusion ╚nihilistic delusion; nihilism ╚hallucination ╚delusions of persecution ╚delusions of grandeur

illusion/delusion
Delusion
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