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alter ego

[ awl-ter -ee-goh, eg-oh, al- ]
/ ˈɔl tər ˈi goʊ, ˌɛg oʊ, ˈæl- /
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noun
a second self; a perfect substitute or deputy: His adviser acts as his alter ego during his absence.
an inseparable friend.
another aspect of one's self.
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Origin of alter ego

1530–40; <Latin (Cicero), probably translation of Greek állos egṓ, héteros egṓ another I
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use alter ego in a sentence

British Dictionary definitions for alter ego

alter ego
/ (ˈæltər ˈiːɡəʊ, ˈɛɡəʊ) /

noun
a second self
a very close and intimate friend

Word Origin for alter ego

Latin: other self
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

Medical definitions for alter ego

alter ego
[ ôltər ]

n.
Another side of oneself; a second self.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Cultural definitions for alter ego

alter ego
[ (awl-tuhr ee-goh) ]

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.”

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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