Definition

1. Adverb:

   • Otherwise known as; also called: Used to indicate that a person or thing is also known by another name, often a false or assumed one.
   • At another time or place: Used to connect a person's real or primary name with a secondary name they have used.

2. Noun:

   • An assumed or false name: A name, often fictitious, that a person uses temporarily instead of their real name, typically to conceal their identity.
   • An alternative designation: Another name by which someone or something is known.

Examples of Usage

• Adverb:

  • The fugitive, alias "The Fox," was finally captured.
  • She checked into the hotel under the name Susan Brown, alias Jane Smith.

• Noun:

  • The criminal used several aliases to avoid detection.
  • He operated the online store under an alias.

Advanced Usage

• In computing: In computer science, an alias can refer to an alternative name for a command, file, email address, or data location.

  • You can create a command-line alias to shorten a frequently used sequence.
  • The email was sent from an alias that forwarded to her main account.

• Legal and formal contexts: Used in legal documents or formal reports to connect a person's legal name with other names they have used.

  • The defendant, John Doe alias Richard Roe, is charged with fraud.

Variants and Related Words

• Aliasing (n, computing): The process of assigning or creating an alias. Can also refer to a visual distortion in digital graphics.
• Pseudonym (n): A fictitious name, especially one used by an author. (A close synonym, but often implies a more permanent or professional alternative name).
• Nom de plume (n): A pseudonym used by a writer (literally "pen name").

Synonyms

• Also known as (a.k.a.): An adverbial phrase with a similar function.
• Assumed name: A noun phrase meaning a false name.
• Moniker: A informal term for a name or nickname.

Related Phrases

• To go by an alias: To use a false name.
  • The spy went by an alias while abroad.
• Under an alias: Using a false name.
  • He booked the flight under an alias.

Related Idioms

• To wear an alias: To live under or use a false identity. (Less common, but understood).
  • For years, he wore an alias to escape his past.

Adverb

1. as known or named at another time or place
   • Mr. Smith, alias Mr. Lafayette

Noun

1. a name that has been assumed temporarily