mischievousness

mis-chie-vous-ness

noun

The quality or state of being playfully troublesome, naughty, or inclined to mischief.

"His mischievousness was evident in his twinkling eyes."

Thesaurus

Synonyms: roguery, shenanigan, mischief, mischief-making, rascality, roguishness, devilment, devilry, deviltry, puckishness, impishness, whimsicality