a. 1. Like or characteristic of a knave{ 3 }; given to knavery; trickish; fraudulent; dishonest; villainous; as, a knavish fellow, or a knavish trick. “Knavish politicians.” Macaulay. [ 1913 Webster ]
(adv) in an artful manner, Syn. cunningly, foxily, knavishly, slyly, artfully, trickily, Example:he craftily arranged to be there when the decision was announced; had ever circumstances conspired so cunningly?
(adj) marked by skill in deception, Syn. slick, cunning, guileful, foxy, sly, tricksy, dodgy, wily, knavish, tricky, Example:cunning men often pass for wise; deep political machinations; a foxy scheme; a slick evasive answer; sly as a fox; tricky Dick; a wily old attorney