PRANKISH
arch, impish, implike, mischievous, pixilated, prankish, puckish, wicked
(adjective) naughtily or annoyingly playful; “teasing and worrying with impish laughter”; “a wicked prank”
Source: WordNet® 3.1
Etymology
Adjective
prankish (comparative more prankish, superlative most prankish)
Given to or characterized by impishness or playfulness; mischievous.
Synonyms
• (naughtily or annoyingly playful): impish, mischievous, pixilated, implike, puckish
Source: Wiktionary
Prank"ish, a.
Definition: Full of pranks; frolicsome.
Source: Webster’s Unabridged Dictionary 1913 Edition