Definition of "self-delusion" []

• The act of deluding oneself, or the state of being so deluded. (noun)

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• "We all diet sometimes and we all need a spankingly good line in self-delusion, which is, let's be honest, the primary quality necessary for entering into a fast and excessive weight-loss regime."
• "The cruelty is unpleasant, but the self-delusion is what really takes the breath away."
• "It is only persistence in self-delusion and ignorance which does harm."