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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 previously stood in four parliamentary elections and two London mayoral elections.

From BBC ● Aug. 5, 2026

So it was very easy for him to become my alter ego.

From Los Angeles Times ● Jul. 23, 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

One person has come forward to declare he will challenge Farage: Count Binface, the alter ego of comedian Jon Harvey, who regularly runs in UK elections with his trash-can shaped head and long cape.

From Barron's ● Jul. 8, 2026

If she were like her comic book alter ego, the Flint Avenger, she’d have this up in a nanosecond.

From "Beauty Queens" by Libba Bray

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