Definition of alter ego Alter ego

al•ter e•go

We found 5 definitions of alter ego from 4 different sources.

What does alter ego mean?

Noun
alter ego - a very close and trusted friend who seems almost a part of yourself

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alter ego
al′tėr ē′go, n. second self, counterpart, double. [L. alter, other; ego, I.]

An alter ego (from Latin, "other I") is another self — a second personality within a person.

For example, in "The Strange Case of Dr Jekyll and Mr Hyde", Mr. Hyde was Dr. Jekyll's evil alter ego (same person, different personalities).

alter ego in sign language