Synonyms of hanky-panky

1 Syllable
fraud, fling
2 Syllables
slyness, liaison, mischief, triangle, amour, beeswax
3 Syllables
devilry, deception, dalliance, affaire, romance, fourberie, knavery, carrying-on, flirtation, trickery, absurdness, chicane, shadiness, shiftiness, sneakiness, foolery, trickiness
4 Syllables
double-dealing, hankie-pankie, hokey-pokey, machinations, shenanigans, skullduggery, dishonesty, mischief-making, indirections, chicanery, subterfuge, adultery, bamboozlement, indirection, insidiousness
5 Syllables
underhandedness, victimization