delusion

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Illness & disability, Psychology, psychiatry

de·lu·sion /dɪˈluːʒən/ noun  1  [countable, uncountable]BELIEVE a false belief about yourself or the situation you are in 错觉；妄想under a delusion (that) He is under the delusion that I am going to cheat him. 他有错觉，以为我要欺骗他。2. delusions of grandeur PROUDthe belief that you are much more important or powerful than you really are 妄自尊大 —delusive /-sɪv/ adjective —delusional adjective

Examples from the Corpus

delusion• Belief in utopian progress is increasingly seen as a delusion.• We sat in the packed aisles, the building's relative simplicity a delusion for what was to follow.• She now had to finally forget the dreams and delusions of her youth• The stress of the day had given her delusions.• And wisdom usually follows illusion, delusion, and disillusion.• It appears to apply also, for example, to psychotic delusions.• Britain's weak balance of payments was not, however, a statistical delusion or the result of a reaction to one.• He was then, still, suffering delusions.• I was still under the delusion that everyone was trying to cheat me.• The Foundation has fostered this delusion assiduously.

de·lu·sion nounChineseSyllable  

Corpus you false the about yourself a situation belief or

delusion
de‧lu‧sion /dɪˈluːʒən/ noun
1. [uncountable and countable] a false belief about yourself or the situation you are in
    under a delusion (that)
    He is under the delusion that I am going to cheat him.
2. delusions of grandeur the belief that you are much more important or powerful than you really are
—delusive /-sɪv/ adjective
—delusional adjective
     

THESAURUS

■ something that is untrue
   ▪ myth something a lot of people believe because they want to believe it, not because it is based on fact: The first myth about motherhood is that new mothers instantly fall in love with their babies. | Contrary to popular myth, our streets are much safer now than they were 100 years ago.
   ▪ illusion a belief or idea that is false, especially a belief in something good about yourself or about the situation you are in: Alcohol gives people the illusion of being witty and confident. | People bought the land under the illusion that the value would increase.
   ▪ misconception an idea that is not true but which people believe because they do not have all the facts, or they have not properly understood the situation: It’s a common misconception that vaccinations given in childhood last for life. | Employers seem to share the general misconception that young people are more efficient than older workers.
   ▪ delusion a completely mistaken idea, which affects your behaviour and what you decide to do: He began to suffer from paranoid delusions. | Many people labour under the delusion (=have the delusion) that anything which says ‘natural ingredients’ on the label must be harmless. | the delusion that women control most of the world' s wealth and power
   ▪ fallacy if you say that something is a fallacy, you mean that it is completely wrong to believe that it is true: The idea that a good night’s sleep will cure everything is a complete fallacy. | It’s a fallacy that all fat people are fat simply because they eat too much.

de·lu·sionBrE /dɪˈluːʒn/ 🔊NAmE /dɪˈluːʒn/ 🔊 noun [countable] a false belief or opinion about yourself or your situation 错觉；谬见；妄想◆the delusions of the mentally ill精神病患者的妄想◆Don't go getting delusions of grandeur (= a belief that you are more important than you actually are). 不要变得妄自尊大。🔊🔊 [uncountable] the act of believing or making yourself believe sth that is not true 自欺  ➡  see also delude