The noun has 2 meanings:
Meaning #1:
the trait of indulging in disreputable pranks
Synonyms: prankishness, rascality
Meaning #2:
reckless or malicious behavior that causes discomfort or annoyance in others
Synonyms: mischief, mischief-making, mischievousness, deviltry, devilry, devilment, rascality, roguery, shenanigan
