Word Study
guilefully
THESAURUS
guilefully
artfully, astutely, cagily, cannily, cleverly, cunningly, deceitfully, foxily, fraudulently, furtively, indirectly, insidiously, knowingly, on the sly, shiftily, shrewdly, slick, slyly, smoothly, subtilely, subtlely, surreptitiously, treacherously, trickily, underhandedly, warily, wililyFor further exploring for "guilefully" in Webster Dictionary Online