ali·as | \ˈā-lē-əs, ˈāl-yəs\

Definition of alias 

(Entry 1 of 2)

: otherwise called : otherwise known as used to indicate an additional name that a person (such as a criminal) sometimes uses John Smith alias Richard Jones was identified as the suspect.



Definition of alias (Entry 2 of 2)

: an assumed or additional name that a person (such as a criminal) sometimes uses a fugitive using several aliases He checked into the hotel using an alias. John Smith, who goes by the alias Richard Jones

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Examples of alias in a Sentence

Recent Examples on the Web: Noun

But a week later, before Molina's arrest, Heburn used an alias Facebook account and reached out to Molina's girlfriend via Facebook Messenger, according to court records. Jay Weaver, miamiherald, "She was supposed to keep her mouth shut. Now, this Miami juror faces prison for blabbing," 20 June 2018 According to Ri Myung, a former top North Korean official who has defected to the South and uses an alias, all of North Korea’s latest maneuvers have been conducted by influential Workers Party organ the Organization and Guidance Department (OGD). Charlie Campbell / Beijing, Time, "All Signs Suggest North Korea's Kim Jong Un Really Wants to Make a Deal," 8 June 2018 The complaint detailed Orrego-Savala's numerous aliases, including the name given at the scene of the crash, Alex Cabrera. Holly V. Hays, Indianapolis Star, "Suspect in Colts' Edwin Jackson's death has been charged in federal court," 6 Feb. 2018 On Friday, the U.S. special counsel said Katenberg was an alias used by Lt. Raphael Satter,, "Long-hidden hackers unmasked by special counsel investigation," 13 July 2018 On Friday, the U.S. special counsel said Katenberg was an alias used by Lt. Raphael Satter,, "Elusive Russian hackers unmasked by U.S. special counsel," 13 July 2018 The celebrated Swedish producer works under many aliases. Kat Bein, Billboard, "Eric Prydz Drops 3-Track Cirez D EP: Listen," 25 June 2018 Peterson was the alias used for Daniels, whose real name is Stephanie Clifford. Michael Finnegan,, "Trump seeks more than $20 million in damages from Stormy Daniels," 17 Mar. 2018 Police learned Gonsales was an alias for a Manuel Orrego-Savala, a citizen of Guatemala who was in the United States illegally. Chris Sims, Indianapolis Star, "What happened to Edwin Jackson: Everything you need to know about the Colts linebacker," 5 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'alias.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of alias


15th century, in the meaning defined above


1605, in the meaning defined above

History and Etymology for alias


Latin, otherwise, from alius other — more at else


see alias entry 1


Latin, otherwise, from alius other

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Dictionary Entries near alias

Al Hufuf





Ali Baba


Phrases Related to alias

under an alias

Statistics for alias

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Time Traveler for alias

The first known use of alias was in the 15th century

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More Definitions for alias



Kids Definition of alias

 (Entry 1 of 2)

: otherwise known as Samuel Clemens, alias Mark Twain wrote many stories about life on the Mississippi.



Kids Definition of alias (Entry 2 of 2)

: a false name The criminal used several aliases.


\ˈā-lē-əs, ˈāl-yəs \

Legal Definition of alias 

(Entry 1 of 3)

: otherwise called : also known as John Thomas Nolan, alias Legs Diamond



Legal Definition of alias (Entry 2 of 3)

: an assumed or additional name



Legal Definition of alias (Entry 3 of 3)

: issued after the original instrument has not produced any action an alias tax warrant an alias summons — compare pluries

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More from Merriam-Webster on alias

Thesaurus: All synonyms and antonyms for alias

Spanish Central: Translation of alias

Nglish: Translation of alias for Spanish Speakers

Britannica English: Translation of alias for Arabic Speakers

Comments on alias

What made you want to look up alias? Please tell us where you read or heard it (including the quote, if possible).


a state of commotion or excitement

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