Sulks can mean feeling unhappy or annoyed and withdrawing from social interaction accordingly. Synonyms for sulks include pouts, broods, mopes, and sullenness. Pouts refer to a childlike expression of annoyance or disappointment, often accompanied by protruding the lips. Broods describes a more intense or prolonged period of sulking, involving a deep contemplation on the root of one's feelings. Mopes refer to a state of depression or dejection, often accompanied by lethargy. Sullenness describes a persistent bad mood or lack of responsiveness. All of these words capture different nuances of sulking, but they all denote a dissatisfaction with some aspect of one's situation or surroundings.