bad-tempered or not speaking because you are angry about something Sarah had looked sulky all morning. a sulky child He lapsed into a sulky silence.
NAmE//ˈsʌlkəli//
adverb Tommy went sulkily off to bed. NAmE//ˈsʌlkinəs//
noun [uncountable]See sulky in the Oxford Advanced Learner's DictionaryCheck pronunciation: sulky