What does "delusion" mean?

A false belief that is resistant to confrontation with actual facts.

What is a synonym for "delusion"?

Common synonyms include: aberrancy, aberration, acting, affectation, agnosia, airy nothing.

noun

noun ·3 syllables ·Common ·High school level

Noun

1
A false belief that is resistant to confrontation with actual facts. countable, uncountable
2
the act of deluding; deception by creating illusory ideas wordnet
3
The state of being deluded or misled, or process of deluding somebody. countable, uncountable
"It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring."
4
a mistaken or unfounded opinion or idea wordnet
5
That which is falsely or delusively believed or propagated; false belief; error in belief. countable, uncountable
"Hess, always a muddled man though not so doltish as Rosenberg, flew on his own to Britain under the delusion that he could arrange a peace settlement."

Show 2 more definitions

6
(psychology) an erroneous belief that is held in the face of evidence to the contrary wordnet
7
A fixed, false belief, that will not change, despite evidence to the contrary. countable, uncountable