Synonyms of guileful

1 Syllable
shrewd, slyer, smooth, sly, slick, slier, smart, sharp, sliest, slyest, wily
2 Syllables
adroit, foxier, sneaking, witted, sneakier, adept, scheming, tricky, cunning, dodgy, clever, wilier, devious, foxy, lying, craftier, crafty, sneaky, sneakiest
3 Syllables
retiary, deceitful, dexterous, masterly, dishonest, lubricious, two-faced, uncandid, politic, insidious, perjurious, complicit, ingenious, furtive, underhand, designing, proficient
4 Syllables
resourceful, untrustworthy, underhanded, diplomatic, dirty-dealing, disingenuous, calculating
6 Syllables
manipulative