alter ego

noun

plural alter egos
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

Did you know?

In Latin, alter ego literally means "second I". An alter ego can be thought of as a person's clone or second self. A professional alter ego might be a trusted aide who knows exactly what the boss wants done. A personal alter ego might be a close friend who is almost like a twin. Alter ego can also refer to the second, hidden side of one's own self. In Robert Louis Stevenson's classic The Strange Case of Doctor Jekyll and Mr. Hyde, Dr. Jekyll is a good-hearted, honorable man; but after taking a potion, his alter ego, the loathsome and diabolical Mr. Hyde, takes over his personality.

Examples of alter ego in a Sentence

a trusted adviser who is the President's alter ego over the years the state's other senator became his alter ego as well as his political ally
Recent Examples on the Web In moments that casually transcend reality, Rudy has conversations with his opinionated puppet Diego, an alter ego for the artist, about his lack of direction and convoluted love life. Carlos Aguilar, Variety, 6 Apr. 2024 The loss of Eileen and return of the self-pitying Orwell alter ego are certainly linked. Stephen Metcalf, The Atlantic, 5 Apr. 2024 Henson’s vision spawned countless keepsake moments, where mingling with fans while alternating between Hugo and his alter ego, Super Hugo, is a common occurrence. Roderick Boone, Charlotte Observer, 28 Mar. 2024 And The Spiders From Mars, and the many U.K. radio sessions and TV appearances Bowie’s famous alter ego participated in. Angie Martoccio, Rolling Stone, 21 Mar. 2024 Brendan Morrow Idina Menzel is wishing a very happy birthday to her Academy Awards alter ego. USA TODAY, 4 Mar. 2024 Anya’s Spider-Woman alter ego is named Araña, and due to Cassie’s clairvoyant visions, Merced, along with Johnson, Sydney Sweeney and Celeste O’Connor, had to perform multiple different versions of scenes in order to account for the potential future and reality of each sequence. Brian Davids, The Hollywood Reporter, 12 Feb. 2024 Kittle talked about his fondness for wrestling and alter egos, with one arm tattooed with good guys and one with bad guys. Jerry McDonald, The Mercury News, 11 Feb. 2024 In a desperate bid to hold Silvie’s attention, Amato reinvented himself online, crafting a confident, big spender alter ego by stealing $200,000 from his family in the months leading up to the murders. Addie Morfoot, Variety, 19 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'alter ego.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

borrowed from Latin alter egō "close friend," literally "other I," perhaps as translation of Greek állos egṓ, héteros egṓ

Note: Cf. M. Tullius cicero, Letters to Atticus 3.15.4.: "… me enim ipsum multo magis accuso, deinde te quasi me alterum et simul meae culpae socium quaero." ("I am reproaching myself far more than you, and if I do reproach you it is as my alter ego; also I am looking for someone to share the blame" - translation by D. R. Shackleton Bailey.)

First Known Use

1537, in the meaning defined at sense 1

Time Traveler
The first known use of alter ego was in 1537

Dictionary Entries Near alter ego

Cite this Entry

“Alter ego.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alter%20ego. Accessed 18 Apr. 2024.

Kids Definition

alter ego

noun
al·​ter ego ˌȯl-tər-ˈē-gō How to pronounce alter ego (audio)
1
: a trusted friend or personal representative
2
: the opposite side of a personality

Legal Definition

alter ego

noun
al·​ter ego ˈȯl-tər-ˈē-gō How to pronounce alter ego (audio)
: second self
especially : a person or entity vicariously liable for another (as an agent)
had the officer been the alter ego of the corporation J. J. White and R. S. Summers
compare instrumentality

Note: The concept of a legal alter ego is used primarily to hold the controlling parties of a corporation personally liable instead of limiting liability to the corporate entity.

Etymology

Latin, literally, second I

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