devilment > define
noun
- Reckless or malicious behavior that causes discomfort or annoyance in others.
- synonyms: mischief, mischief-making, mischievousness, deviltry, devilry, rascality, roguery, roguishness, shenanigan
by WordNet 3.0 © 2006 by Princeton University
(n.) Deviltry.
by Webster's Revised Unabridged Dictionary