
Impish
Playfully Troublesome
 Use 'impish' when someone causes mild trouble or irritation but remains endearing or likeable. 
The boy's impish behavior kept the classroom lively.
 Innocent Charm
 'Impish' often carries a notion of innocence, unlike 'naughty' which might imply a bit more intent. 
His impish antics made us laugh rather than scold.
 Subtle Humor
 An 'impish' action or remark is usually subtly humorous, not obvious or slapstick comedy. 
Her impish comment left us chuckling quietly.