Found 2 items, similar to knavishly.
English → English (WordNet) Definition: knavishly knavishly adv : in an artful manner; “he craftily arranged to be there when the decision was announced”; “had ever circumstances conspired so cunningly?” [syn: craftily, cunningly, foxily, slyly, trickily, artfully]
English → English (gcide) Definition: Knavishly Knavishly \Knav"ish*ly\, adv. 1. In a knavish manner; dishonestly; fraudulently. --Holland. [1913 Webster] 2. Mischievously; waggishly; roguishly. “Knavishly witty.” --Gayton. [1913 Webster]