deluded
/dɪˈluːdɪd/ adjective C1- Being affected by delusions. · He was deluded to think that she cared in the slightest.
From the library
I and a brother banker have obtained a grant of a railway, the only industrial enterprise which in these days promises to make good the fabulous prospects that Law once held out to the eternally deluded Parisians, in the fantastic Mississippi scheme.
Then a strange reaction took place; he who had just abandoned 5,000,000 endeavored to save the 50,000 francs he had left, and sooner than give them up he resolved to enter again upon a life of privation—he was deluded by the hopefulness that is a premonition of madness.
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