Swollen-headed and Self-centered

Swollen-headed adjective - Characteristic of false pride; having an exaggerated sense of self-importance.

Self-centered and swollen-headed are semantically related. In some cases you can use "Self-centered" instead an adjective phrase "Swollen-headed".

Self-centered adjective - Overly concerned with one's own desires, needs, or interests.

Swollen-headed and self-centered are semantically related. Sometimes you can use "Swollen-headed" instead an adjective phrase "Self-centered".