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Synonyms

alter ego

American  
[awl-ter ee-goh, eg-oh, al-] / ˈɔl tər ˈi goʊ, ˌɛg oʊ, ˈæl- /

noun

  • alter egos
    plural
  1. a second self; a perfect substitute or deputy.

    His adviser acts as his alter ego during his absence.

  2. an inseparable friend.

  3. another aspect of one's self.


alter ego British  
/ ˈæltər ˈiːɡəʊ, ˈɛɡəʊ /

noun

  1. a second self

  2. a very close and intimate friend

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

alter ego Cultural  
  1. An intimate friend, considered another side of oneself: “He was my alter ego; we were always picking up each other's thoughts.” Alter ego is Latin for “another I.”


Other Word Forms

Noun Inflected Forms

Etymology

Origin of alter ego

1530–40; < Latin (Cicero), probably translation of Greek állos egṓ, héteros egṓ another I

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Count Binface is the satirical alter ego of comedian Jon Harvey, who has specialised in satire and been involved with BBC comedy shows, including The Thick of It and Have I Got News For You.

From BBC Aug. 14, 2026

Count Binface -- the alter ego of comedian Jon Harvey -- exceeded expectations, however, taking 9,455 votes, 27 percent of the total.

From Barron's Aug. 14, 2026

Is the dog a fellow flâneur in the Weimar city, a mirror of its owner, or perhaps his alter ego?

From The Wall Street Journal Jul. 17, 2026

Bombastic yet intimate, fantastical yet sensible, Colbert’s farewell to his Comedy Central audience and his conservative alter ego was about as lovely and loving as TV can be.

From Salon May 21, 2026

Such a dog-lover talks baby talk to mature and thoughtful animals, and attributes his own sloppy characteristics to them until the dog becomes in his mind an alter ego.

From "Travels with Charley in Search of America" by John Steinbeck

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