Ruse de guerre is a French term that translates to "war trick" in English. It is used to describe a cunning strategy or deceptive tactic used during a military conflict. Synonyms for ruse de guerre include stratagem, ploy, scheme, tactic, maneuver, deception, trickery, sleight of hand, subterfuge, and bluff. These words all convey the idea of a sly or sneaky move designed to deceive an opponent and gain an advantage in battle. Whether used by individual soldiers, military leaders, or entire armies, a ruse de guerre can be a powerful tool for achieving victory in war.