plural alter egos
1
: a different version of yourself
Note: A character in a book or film is sometimes viewed as an author's alter ego. A role that an actor often plays is sometimes described as the actor's alter ego.
2
: a close friend who thinks or feels similarly to the way you think or feel
a trusted adviser who is the President's alter ego
Cite this Entry
“Alter ego.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/alter%20ego. Accessed 15 Apr. 2026.
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