Simple past tense and past participle of delude.(verb)
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Use "deluded" in a sentence
"These men were literally deluded, and those who urged them on were _deluded_ by what was then called the liberal part of the press."
"To which Simon replied: "@piersmorgan look up the word deluded in your dictionary.""
"Add me to The Galloping Beaver and their “Die Margaret Thatcher” friends, as well as POGGE and their inability to perceive the disingenuous hypocrisy behind Jack Layton and his politically motivated rhetoric, and Bastard Logic simply because he knows he wallows in deluded progressivist fantasy and is entirely comfortable with that."