Akademik

impishness
noun
the trait of behaving like an imp
Syn: ↑mischievousness, ↑puckishness, ↑whimsicality
Derivationally related forms: ↑puckish (for: ↑puckishness), ↑mischievous (for: ↑mischievousness), ↑impish
Hypernyms: ↑playfulness, ↑fun

Useful english dictionary. 2012.