1. (a.) Relating to, or characterized by, craft or skill; dexterous.

2. (a.) Possessing dexterity; skilled; skillful.

3. (a.) Skillful at deceiving others; characterized by craft; cunning; wily.

Byzantine Machiavellian Machiavellic acute adroit ambidextrous arch artful astute cagey calculating canny chiseling clever collusive covinous crooked cunning cute deceitful deep deep-laid designing devious diplomatic dishonest disingenuous double double-dealing double-faced double-minded double-tongued doublehearted duplicitous faithless FALSE false-principled falsehearted fawning feline finagling forsworn foxy fraudulent furtive guileful indirect ingenious insidious insincere inventive keen knowing pawky perfidious perjured plotting politic ready resourceful scheming serpentine sharp shifty shrewd slick slippery sly smooth snaky sneaky sophistical stealthy strategic subtile subtle supple surreptitious tactical tidy treacherous trickish tricksy tricky two-faced uncandid underhand underhanded unfrank unsincere untruthful vulpine wary wily