Don-quixotic

To interfere in behalf of a woman so situated, would cast a sort of contamination on her; and therefore have the effect of Don-Quixotic interruption of the boy’s castigation from his master,—only redouble the stripes.

Source: wiktionary

After waiting for fully three-quarters of an hour the Don-Quixotic looking individual who had received me announced himself as ready to show us the remaining parlors.

Source: wiktionary

It was true that in the levities of her own infatuation, in the insolences of her sudden social triumph, she had showered upon the Don-Quixotic mentor of her girlhood, open, cruel, and contemptuous slights.

Source: wiktionary

A Don Quixote he lived, and a Don Quixote he died, according to Wasserman, who writes: “When he felt his last hour was near, he sent for a notary and witnesses, intending to cancel the will of 1498 and draw up another. It begins with the Don-Quixotic dictum: ‘As I am making a free gift of India to the King and Queen . . .’[…]”

Source: wiktionary