n. (pl. -os)
1. Metaphysics a conscious thinking subject.
2 Psychol. the part of the mind that reacts to reality and has a sense of individuality.
3 self-esteem.
Phrases and idioms:
ego-ideal
1. Psychol. the part of the mind developed from the ego by an awareness of social standards.
2 (in general use) idealization of oneself. ego-trip colloq. activity etc. devoted entirely to one's own interests or feelings.
Etymology: L, I