'Rascality' definitions:

Definition of 'rascality'

noun

The trait of indulging in disreputable pranks [syn: prankishness, rascality, roguishness]

noun

The quality of being a slippery rascal [syn: rascality, shiftiness, slipperiness, trickiness]

noun

Reckless or malicious behavior that causes discomfort or annoyance in others [syn: mischief, mischief-making, mischievousness, deviltry, devilry, devilment, rascality, roguery, roguishness, shenanigan]

From: GCIDE

Rascality \Ras*cal"i*ty\ (r[a^]s*k[a^]l"[i^]*t[y^]), n.; pl. Rascalities (r[a^]s*k[a^]l"[i^]*t[i^]z) [1913 Webster]
1. The quality or state of being rascally, or a rascal; mean trickishness or dishonesty; base fraud. [1913 Webster]
2. The poorer and lower classes of people. [Obs.] [1913 Webster]
The chief heads of their clans with their several rascalities --T. Jackson. [1913 Webster]