egotheism
/ɛɡəˈtiːɪzəm/Definitions
1. noun
The tendency of an individual to prioritize their own sense of self-importance and self-worth above all else, often at the expense of others.
“Her egotheism made it difficult for her to form close relationships with others.”
2. noun
A philosophical or psychological theory that emphasizes the central role of the ego in human behavior and decision-making.