Synonymes sly (anglais)

Adjectif
- deceitful : deceptive, conniving, tricky, artful, insidious, guileful, shifty
- faithless : traitorous, double-dealing, treacherous, dishonourable
- secretive : furtive, evasive, clandestine, elusive, insidious, secret, underhand
- shady : slick, smooth, slippery
- shrewd : clever, sharp, intelligent, smart, calculating, astute, ingenious