Espieglerie is a French word that can be translated simply as "impishness" or "mischief." However, there are several synonyms that can be used to describe this particular quality, depending on the context and intensity of the behavior. Some possible alternatives to espieglerie include roguishness, playfulness, impish humor, devilry, friskiness, silliness, prankishness, lightheartedness, tomfoolery, and shenanigans. Each of these words conveys a slightly different nuance of mischievous behavior, from harmless fun to more disruptive or even dangerous antics. Whether used to describe a child's antics or an adult's playful nature, espieglerie and its synonyms capture the irreverent and playful spirit of mischief.