This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The characteristic of being mischievous; the tendency to make mischief.

n. Capacity to do injury; hurtfulness; noxiousness; disposition to vex, annoy, or tease; roguishness: as, the mischievousness of youth.

n. the trait of behaving like an imp

n. reckless or malicious behavior that causes discomfort or annoyance in others

n. an attribute of mischievous children

"Ms. Eastwood, who is headed to Las Vegas at the end of the week, then asked, with a twinkle of mischievousness in her eye, "Is there a smoking ban there?""

playfulness    fun   

incorrigibility    fractiousness    roughnecks    triteness    scoundrelism    snorter    picaresque    afootwhose    wistfulness    self-mockery