delusion
/dɪˈl(j)uːʒ(ə)n/ noun C1- An adamant belief in a falsehood despite incontestable evidence.
- The state of being deluded or misled, or process of deluding somebody. · It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.
- That which is falsely or delusively believed or propagated; false belief; error in belief.
- A strong belief contrary to evidence.
Plural delusions
From the library
The woman must have some strange delusion.
Tell him for me that I have quite made up my mind, and that it is certain that a dangerous homicidal lunatic, with Napoleonic delusions, was in his house last night.
Do not think that it was a delusion, Holmes.
But as soon as it was finished, the buzz was redoubled through all the drawing-rooms; the brilliant sums, the rolling millions which were to be at the command of the two young people, and which crowned the display of the wedding presents and the young lady’s diamonds, which had been made in a room entirely appropriated for that purpose, had exercised to the full their delusions over the envious assembly.
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