👉 Sulkier is a term used to describe someone who tends to be less enthusiastic or energetic, often feeling down or depressed. It can also refer to an attitude of being uninterested in something or doing something that one finds boring or dull. Sulkiness is often associated with feelings of low self-esteem and dissatisfaction with oneself, as well as the tendency to avoid or resist activities that cause discomfort or distress.