proud

This word carries a dual nature, shifting between a positive sense of accomplishment and a negative sense of arrogance. In a positive light, it describes a warm, swelling emotion of worth and success that strengthens bonds between people, such as a parent's pride in a child. When used negatively, it describes an inflated sense of self-importance or a refusal to humble oneself. In this context, being proud is seen as a barrier to learning or cooperation, often implying a cold, distant superiority over others.