plural alter egos
Definition of alter ego
1
: a second self or different version of oneself: such as
a
: a trusted friend
b
: the opposite side of a personality
Clark Kent and his alter ego Superman
c
: counterpart sense 3
a fictional character that is the author's alter ego
2
law
: a person or entity vicariously liable for another (such as an agent)
… because the Cuban bank had not physically participated in the expropriation, it could not be considered an alter ego of the Government in the context of the Citibank case. — The New York Times
Test Your Vocabulary
Which Word Does Not Belong?
-
- Which of these words does not mean "nonsense"?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share alter ego
Time Traveler for alter ego
The first known use of alter ego was in 1537
See more words from the same year