Meaning: 悪戯n. (Hira=いたずら, Kata=イタズラ) mischief, naughty behavior that is not spiteful; source of evil or misfortune; harm, damage; trouble maker (usually a child); vexation, annoyance; one who has an annoying dispositionv. (Hira=いたずらする) tease, pester, taunt, mockadj. (Hira=いたずらな) naughty, not disciplined, unruly; mischievous