Dictionary.com
definitions
  • synonyms

alter ego

[awl-ter ee-goh, eg-oh, al-]
See more synonyms for alter ego on Thesaurus.com
noun
  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.
Show More

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. 2018

Related Words for alter ego

doppelganger, buddy, chum, confidante, counterpart, pal

Examples from the Web for alter ego

Contemporary Examples of alter ego

Historical Examples of alter ego


British Dictionary definitions for alter ego

alter ego

noun
  1. a second self
  2. a very close and intimate friend
Show More

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

Word Origin and History for alter ego

1530s, from Latin phrase (used by Cicero), "a second self, a trusted friend" (cf. Greek allos ego); see alter and ego.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

alter ego in Medicine

alter ego

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

alter ego in Culture

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.”

Show More
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.