Knav"ish, a.
1.
Like or characteristic of a knave; given to knavery; trickish; fraudulent; dishonest; villainous; as, a knavish fellow, or a knavish trick.
"
Knavish politicians."
Macaulay.
2.
Mischievous; roguish; waggish.
Cupid is knavish lad,
Thus to make poor females mad.
Shak.
© Webster 1913.