Meanings
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1
adj
having false beliefs or opinions, often due to being misled or deceived
He was deluded into thinking he could win the lottery.
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2
adj
being mistaken or having a distorted perception of reality
She was deluded about the loyalty of her friends.
Thesaurus
Etymology
From Latin deludere ("to deceive; play false; mock"); via Middle English deluden ("to deceive") into Modern English deluded ("deceived or misled").