Source : Webster's Revised Unabridged Dictionary (1913)

Self-centered \Self`-cen"tered\, Self-centred \Self`-cen"tred\,
   a.
   Centered in itself, or in one's self.

Source : WordNet®

self-centered
     adj : limited to or caring only about yourself and your own needs
           [syn: {egocentric}, {egoistical}, {self-centred}]