| knavish | rascally, mischievous, roguish |
| lewdly | wickedly, evilly, mischievously |
| mischievous | harmful, damaging, injurious |
| pestiferous | pestilent, mischievous, pernicious |
| shrewd | wily, cunning, mischievous |
| shrewdly | maliciously, wickedly, mischievously |
| wag | fellow, lad, mischievous boy |
| waggish | playful, mischievous, impish |
| wanton | [jocularly] naughty, wicked, mischievous |