Self-indulgent is a negative trait where a person excessively seeks their own pleasure or desires while disregarding the needs or wants of others. Some synonyms for self-indulgent include self-centered, selfish, and narcissistic. Additionally, the word hedonistic can be used to describe someone who prioritizes pleasure-seeking over responsibility or morals. Other synonyms include egocentric, self-absorbed, and self-oriented. These words all describe similar personality traits where an individual prioritizes their own desires and comforts, regardless of how it may affect others around them. Overall, self-indulgence can be a damaging trait, leading to selfish actions and a disregard for others.