Guile is defined as cunning or deceitful behavior, often used to trick or deceive others. It refers to the ability to manipulate or deceive others through cleverness or slyness.
Interesting fact: The word “guile” originated from the Old French word “guile,” which means “trickery” or “deception.” It has been used in English since the 13th century and is often associated with characters in literature and folklore who possess cunning and deceitful qualities.