delusion
noun /dɪˈluːʒn/
/dɪˈluːʒn/
- [countable] a false belief or opinion about yourself or your situation
- the delusions of the mentally ill
- Don't go getting delusions of grandeur (= a belief that you are more important than you actually are).
- He was suffering from paranoid delusions and hallucinations.
- Love can be nothing but a delusion.
Extra ExamplesTopics Opinion and argumentc2- He dismissed the so-called miracle as a collective delusion.
- He had no delusions about his feelings for Kate.
- He seemed to be under the delusion that he would make his fortune within a few years.
- He's under some delusion that I'm going to cheat him.
- I thought the whole idea was just a foolish and dangerous delusion.
- She had delusions of persecution.
- Many people with this condition suffer from delusions.
- She believes her critics are not really important. This is a dangerous and foolish delusion.
Oxford Collocations Dictionaryadjective- dangerous
- paranoid
- collective
- …
- get
- harbour/harbor
- have
- …
- under a/the delusion
- delusion about
- delusion of
- …
- delusions of grandeur
- [uncountable] the act of believing or making yourself believe something that is not true
- He seems to have retreated into a world of fear and delusion.
- My mother had a tremendous capacity for delusion.
Oxford Collocations Dictionaryadjective- dangerous
- paranoid
- collective
- …
- get
- harbour/harbor
- have
- …
- under a/the delusion
- delusion about
- delusion of
- …
- delusions of grandeur
Word Originlate Middle English (in the sense ‘act of deluding or of being deluded’): from late Latin delusio(n-), from the verb deludere ‘to mock’, from de- (with pejorative force) + ludere ‘to play’.