facile Antonyms

stressful scrunch scaly sandpaper rutted rumpling rugged rough ridged rejective recondite raveled purist profound scuffing seriatim strenuous stony stiff sticky stickleback spinous speechless sophistical sophistic sinuous silhouette shedding severe problematic precautious orphic onerous omniform notched niggling murderous multiplex multiform multifarious mucilaginous motley mosaic mixed overburdensome overdelicate polymorphous plicated pimply pettifogging