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[ey-lee-uh s] /ˈeɪ li əs/
noun, plural aliases.
a false name used to conceal one's identity; an assumed name:
The police files indicate that “Smith” is an alias for Simpson.
at another time; in another place; in other circumstances; otherwise. “Simpson alias Smith” means that Simpson in other circumstances has called himself Smith.
Origin of alias
1525-35; < Latin aliās (adv.): at another time, otherwise; cf. else
1. nom de guerre; nom de plume, pseudonym. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for aliases
Contemporary Examples
Historical Examples
  • Most of the mimicries in nature gradually became as suspicious to the primitive observer as aliases to a magistrate.

    Demonology and Devil-lore Moncure Daniel Conway
  • Which will you have, caballero—my nom de guerre, or any other of my aliases?

    The Tiger-Slayer Gustave Aimard
  • He still was an enigma whose veil was not entirely stripped away because one of his aliases was known.

    The Red River Half-Breed Gustave Aimard
  • All manner of rogues and roguery has immemorially delighted in aliases.

    Dealings With The Dead A Sexton of the Old School
  • "With half a dozen aliases at your back, I dare say," cried Coates.

    Rookwood William Harrison Ainsworth
  • It will all be sponged up in Threadneedle Street by the poetic swindlers whose names, or aliases, you hold in your hand.

  • From under a succession of aliases he uncovered Gorman's real name.

    From Place to Place Irvin S. Cobb
  • Yes; I have observed a number of aliases where there is no particular effort to disguise.

    Warren Commission (4 of 26): Hearings Vol. IV (of 15) The President's Commission on the Assassination of President Kennedy
  • The patient landlord began to lose that virtue, and denounced these aliases as swindlers.

British Dictionary definitions for aliases


at another time or place known as or named: Dylan, alias Zimmerman
noun (pl) -ases
an assumed name
Word Origin
C16: from Latin aliās (adv) otherwise, at another time, from alius other
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
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Word Origin and History for aliases



mid-15c., "otherwise called," from Latin alias "at another time, in another way," from alius "(an)other," from PIE *al- "beyond" (cf. Sanskrit anya "other, different," Avestan anya-, Armenian ail, Greek allos "another," Gothic aljis "other," Old English elles "otherwise, else," Modern English else).


"assumed name," c.1600, from alias (adv.).

Online Etymology Dictionary, © 2010 Douglas Harper
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