n. 25B6; noun
some devilry was afoot : WICKEDNESS, evil, sin, iniquity, vileness, badness, wrongdoing, dishonesty, unscrupulousness, villainy, delinquency, devilishness, fiendishness; informal crookedness, shadiness.
she had a perverse sense of devilry : MISCHIEF, mischievousness, naughtiness, badness, perversity, impishness; misbehaviour, troublemaking, misconduct; pranks, tricks, roguery, devilment; informal monkey business, shenanigans.
they dabbled in devilry : BLACK MAGIC, sorcery, witchcraft, wizardry, necromancy, enchantment, spell-working, incantation; the supernatural, occultism, the occult, the black arts, divination, voodoo, witchery; N. Amer. mojo, orenda.