1. Concerned chiefly or only with yourself and your advantage to the exclusion of others
   "What I can't believe is that people are so stupid and self-centered that they think they HAVE to comment on things they don't like";
   - selfish, egoistic [Brit], egoistical, egocentric, self-centred [Brit, Cdn], self-serving, self-seeking, self-interested

See also: egotistic, egotistical, inconsiderate, narcissistic, self-absorbed, self-involved, self-loving, stingy [informal], ungenerous

Encyclopedia: Self-centered