DEVILISH Meaning of DEVILISH in English [dev.il.ish] adj (15c) 1: resembling or befitting a devil: as a: evil, sinister b: mischievous, roguish 2: extreme "in a ~ hurry" -- devilish adv -- dev.il.ish.ly adv -- dev.il.ish.ness n Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012