IPA: /ˈɪmpɪʃnəs/
KK: /ˈɪmpɪʃnəs/
The quality of being playful and mischievous, often in a way that is charming or amusing.
The child's impishness made everyone laugh as he played harmless pranks on his friends.
Impishness → It is formed from "imp" (from Middle English *imp*, meaning a small mischievous creature) and "-ish" (meaning having the quality of) combined with "-ness" (meaning the state or condition of). The word "impishness" refers to the state of being mischievous or playful like an imp.
Think of an 'imp' as a small, mischievous creature, and remember that 'impishness' describes the playful quality of being like that creature.