tilt at windmills

To waste time fighting enemies or trying to resolve issues that are imaginary, not as important, or impossible to overcome. The CEO seems to be tilting at windmills lately, flinging accusations at members of the press for no reason. The company keeps tilting at windmills with its insistence on implementing a service structure that serves no immediate purpose.

Fig. to fight battles with imaginary enemies; to fight against unimportant enemies or issues. (As with the fictional character, Don Quixote, who attacked windmills.) Aren't you too smart to go around tilting at windmills? I'm not going to fight this issue. I've wasted too much of my life tilting at windmills.

Engage in conflict with an imagined opponent, pursue a vain goal, as in Trying to reform campaign financing in this legislature is tilting at windmills. This metaphoric expression alludes to the hero of Miguel de Cervantes' Don Quixote (1605), who rides with his lance at full tilt (poised to strike) against a row of windmills, which he mistakes for evil giants.

If someone tilts at windmills, they waste their time on problems which do not exist or are unimportant. Of course with their petition and their campaign, they are all tilting at windmills. His critics considered him a tiresome idealist who spent an idle life tilting at windmills. Note: This expression refers to the novel `Don Quixote' (1605) by the Spanish writer Cervantes, in which Don Quixote sees some windmills, thinks that they are giants, and tries to attack them.

To confront and engage in conflict with an imagined opponent or threat.

To pursue a fruitless course or attack nonexistent enemies. This expression comes from Cervantes’s famous hero, Don Quixote, who rides with his lance at full tilt (poised to attack) upon a row of windmills, which he mistakes for evil giants (Don Quixote, Part 1, chapter 8; 1605). The image has caught the imagination of subsequent writers to the present day.

Fight imaginary enemies or fight a battle that can't be won. “Tilt” means “joust,” as in mounted knights fighting each other with lances. In Miguel Cervantes's Don Quixote, the Man of La Mancha came upon a row of windmills and took them for giants, their flailing arms ready to do battle. Despite his squire Sancho Panza's pointing out that they were windmills, Don Quote set his lance, spurred his steed Rocinante, and charged the “enemy.” Alas for the Knight of the Woeful Countenance, the windmills prevailed. Anyone who similarly takes on a losing cause is tilting at windmills.