In excess and Self-indulgent

Self-indulgent and in excess are semantically related. In some cases you can use "Self-indulgent" instead an adjective phrase "In excess".

Self-indulgent adjective - Given to or marked by excessive gratification of one's desires.

In excess and self-indulgent are semantically related. Sometimes you can use "In excess" instead an adjective phrase "Self-indulgent".