Definition of "ego" in English

noun

1. The self, especially with a sense of self-importance.

2. (psychology, Freudian) The most central part of the mind, which mediates with one's surroundings.

3. A person's self-esteem and opinion of themselves.

4. (anthropology, genealogy) The individual from whose point of view a family tree or pedigree chart is drawn, or the reference point from whom kinship terminology is relative. (Used without the definite article the.)

   • the cousin of ego on the father's side