Quixotic principles, character, or practice; an instance of this, a quixotic action or idea.

figurative and allusively. In allusions to the story of Don Quixote (see Quixote, n. adj.) tilting at windmills under the delusion that they were…

The condition of being errant; the condition of a knight-errant; conduct or notions characteristic of a knight-errant. See also knight-errantry, n.

Conduct resembling that of a knight-errant; readiness to engage in romantic adventure. Often depreciative: Quixotic behavior.

= quixotism, n.

The character or quality that makes something appeal strongly to the imagination, and sets it apart from the mundane; an air, feeling, or sense of…

= quixotism, n.