[ dev-uh l-tree ]
/ ˈdɛv əl tri /

noun, plural dev·il·tries.

reckless or unrestrained mischievous behavior.
extreme or utter wickedness.
an act or instance of mischievous or wicked behavior.
diabolic magic or art.
Also devilry.

Origin of deviltry

First recorded in 1780–90; variant of devilry Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for deviltry