alias

American  

[ey-lee-uhs] / ˈeɪ li əs /

noun

plural

aliases

1. a false name used to conceal one's identity; an assumed name.

   The police files indicate that “Smith” is an alias for Simpson.

   Synonyms:

   pseudonym, nom de plume, nom de guerre

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adverb

1. at another time; in another place; in other circumstances; otherwise: “Simpson alias Smith” means that Simpson in other circumstances has called himself Smith.

alias British  

/ ˈeɪlɪəs /

adverb

1. at another time or place known as or named

   Dylan, alias Zimmerman

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noun

1. an assumed name

Etymology

Origin of alias

First recorded in 1525–35; from Latin: “at another time, otherwise”; else

Example Sentences

Vivi, who operates under the alias Miss Wednesday, is portrayed in the manga as a white woman.

From BBC • Mar. 10, 2026

And then there is 29-year-old Abraham Jesús Ambriz Cano, alias “El Yogurth.”

From Los Angeles Times • Feb. 27, 2026

An StB file from 1982 bears the Slovak-born Babis's signature under the alias "Bures", a fairly common surname.

From Barron's • Feb. 20, 2026

The old email address will be set as an alias and users will receive emails at both addresses.

From The Wall Street Journal • Dec. 26, 2025

The suspect was a physician whose given name was Mudgett but was known more commonly by the alias H. H. Holmes.

From "The Devil in the White City" by Erik Larson

Related Words

• assumed name
• moniker
• pseudonym
• stage name