1 synonym for Sneaky

treacherous, deceitful, sly, cunning, crafty, sneaky, underhanded, perfidious, duplicitous, deceptive, tricky, guileful, wily, shifty, stealthy, surreptitious, devious, foxy, scheming, calculating, artful, subtle, misleading, beguiling, fraudulent, dishonest, disingenuous, untrustworthy, two-faced, backstabbing, double-dealing, serpentine, Machiavellian, designing, crooked, sneaking, conniving, underhand, slick, smooth, hypocritical, false, insincere, treasonous, traitorous, faithless, unfaithful, unreliable [x]