quixotism

[kwik-suh-tiz-uh m]
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noun

(sometimes initial capital letter) quixotic character or practice.
a quixotic idea or act.

Origin of quixotism

1660–70; (Don) Quixote + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for quixotism

Historical Examples of quixotism