[ adj ] marked by skill in deception <adj.all> cunning men often pass for wisedeep political machinations a foxy scheme a slick evasive answer sly as a fox tricky Dick a wily old attorney
Guileful \Guile"ful\, a. Full of guile; characterized by cunning, deceit, or treachery; guilty. -- {Guile"ful*ly}, adv. -- {Guile"ful*ness}, n.