Try Our Apps


90s Slang You Should Know


[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. 2017.
Cite This Source
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
Cite This Source
Word Origin and History for aliases



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



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
Cite This Source

Word of the Day

Difficulty index for alias

Many English speakers likely know this word

Word Value for aliases

Scrabble Words With Friends

Nearby words for aliases