A superiority complex is an attitude displaying exaggerated feelings of being superior than others. It may be a reaction formed from underlying feelings of inadequacy (inferiority complex).
Excessive self-love or self-centeredness.
The part of the mind that mediates between the conscious and unconscious and is responsible for reality testing and a sense of personal identity.
Unconscious psychological strategies brought into play by various entities to cope with reality and to maintain self-image.