a. | 1. | Full of guile; characterized by cunning, deceit, or treachery; guilty. |
Adj. | 1. | guileful - marked by skill in deception; "cunning men often pass for wise"; "deep political machinations"; "a foxy scheme"; "a slick evasive answer"; "sly as a fox"; "tricky Dik"; "a wily old attorney" |