plural aliases
: an assumed or additional name that a person sometimes uses
a fugitive using several aliases
John Smith, who goes by the alias Richard Jones
He checked into the hotel using an alias. = He checked into the hotel under an alias.
"My [gaming] alias when I was 18 … was Princess Peach," she [Bella Hadid] says with glee …—
Alex Frank
Alex Frank
sometimes, specifically
: a pseudonym (such as a pen name or stage name) that is associated with a person's professional identity
wrote the novels under an alias
Donald Glover, also known under his rap alias Childish Gambino, is an actor, writer, director, comedian and musician. —Mark Warren
Mark Warren Vin Diesel, born Mark Sinclair, took on the tougher-sounding moniker as a bouncer in New York; the alias stuck as he transitioned into acting. —Mae Ross
Mae Ross
: otherwise called : otherwise known as
—used to indicate an additional name that a person sometimes uses
John Smith alias Richard Jones
the outlaw William H. Bonney, Jr. alias "Billy the Kid"
Synonyms of alias
Examples of alias in a Sentence
Noun
a fugitive using several aliases
a dressmaker whom everyone knows as “Bet,” her adopted alias in the dressmaking business that she named after Betsy Ross
Recent Examples on the Web
Staff Report, Hartford Courant, 16 May 2026
While court orders that block counterfeiters can help to safeguard intellectual property, sometimes those counterfeiters simply turn to other aliases and cybersquatting ploys to continue their activities.
—Michael McCann, Sportico.com, 14 May 2026
She is known to speak Farsi and reside in Iran, and may be using aliases, including Fatemah Zahra or Narges Witt.
—Alexandra Koch, FOXNews.com, 14 May 2026
He wasn’t charged until after investigators sorted through his other aliases, which included Joseph Shnorock, Jim Kelley, Joe Schorck, James Elizarrey and James Blizarrey, the AP reported.
—Corky Siemaszko, NBC news, 14 May 2026
See All Example Sentences for alias
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Noun
Federal officials also learned that O’Rourke has pending cases following arrests under various aliases in Suffolk County, New York, in November 2023; Everett, Washington, in September 2025; Linden, New Jersey, in December 2025; and Snohomish County, Washington, in January 2026.
—Staff Report, Hartford Courant, 16 May 2026
While court orders that block counterfeiters can help to safeguard intellectual property, sometimes those counterfeiters simply turn to other aliases and cybersquatting ploys to continue their activities.
—Michael McCann, Sportico.com, 14 May 2026
She is known to speak Farsi and reside in Iran, and may be using aliases, including Fatemah Zahra or Narges Witt.
—Alexandra Koch, FOXNews.com, 14 May 2026
He wasn’t charged until after investigators sorted through his other aliases, which included Joseph Shnorock, Jim Kelley, Joe Schorck, James Elizarrey and James Blizarrey, the AP reported.
—Corky Siemaszko, NBC news, 14 May 2026
See All Example Sentences for alias
Cite this Entry
“Alias.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alias. Accessed 21 May. 2026.
Copy CitationLegal Definition
alias
1 of 3 adverb
: otherwise called : also known as
John Thomas Nolan, alias Legs Diamond
alias
2 of 3 noun
: an assumed or additional name
alias
3 of 3 adjective
: issued after the original instrument has not produced any action
an alias tax warrant
an alias summons
compare pluries
Etymology
Adverb
Latin, otherwise, from alius other
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