Definition of "quixotism" []

• That form of delusion which leads to extravagant and absurd undertakings or sacrifices in obedience to a morbidly romantic ideal of duty or honor, as illustrated by the exploits of Don Quixote in knight-errantry. (noun)
• Quixotry. (noun)

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• "His name was Graves, and he regarded what he called the judge's "quixotism" with condescending good-nature."
• "Some critics have called Jones’ quests “quixotic”—but speaking to Jones, one gets the impression he takes certain issues to heart and refuses to let them go, quixotism be damned."
• "As the only moral criterion which we recognize is that of social utility, the public disavowal of one's conviction in order to remain in the Party's ranks is obviously more honourable than the quixotism of carrying on a hopeless struggle."