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delusion

de·lu·sion

delusion

pronunciation:
dih lu zhn
features:
Word Explorer, Word Parts
part of speech: noun
definition 1: the act of causing someone to believe in something false or not real, or the belief in something false or not real.
He had given himself delusions of greatness when he was just an ordinary painter.
synonyms:
deception
similar words:
bluff, fake, hoax, illusion, trick
definition 2: a false belief that continues even when it has been shown to be false. Delusions may be caused by certain mental illnesses.
The man's illness gave him the delusion that he was God.
synonyms:
illusion, mistake
similar words:
dream, error, fancy, fantasy, myth, vision
derivation: delusional (adj.)
Word Explorer
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  belief, knowledge
Word Parts
The word delusion contains the following part:
lud, lus Latin root that means to play