Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An assumed name: The swindler worked under various aliases.
  • n. Electronics A false signal in telecommunication links from beats between signal frequency and sampling frequency.
  • adv. Also known as; otherwise: Johnson, alias Johns.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adv. Otherwise; at another time; in other circumstances; otherwise called.
  • adv. Used to connect the different names of a person who has gone by two or more, and whose true name is for any cause doubtful; as, Smith, alias Simpson.
  • n. Another name; an assumed name.
  • n. A second or further writ which is issued after a first writ has expired without effect.
  • n. An abbreviation that replaces a string of in-game commands and thereby reduces typing when performing routine actions or tasks.
  • n. An spurious signal generated as a technological artifact.
  • v. To assign an additional name to an entity, often a more user-friendly one.
  • v. to become indistinguishable

from the GNU version of the Collaborative International Dictionary of English

  • adv. Otherwise; otherwise called; -- a term used in legal proceedings to connect the different names of any one who has gone by two or more, and whose true name is for any cause doubtful.
  • adv. At another time.
  • n. A second or further writ which is issued after a first writ has expired without effect.
  • n. Another name; an assumed name.

from The Century Dictionary and Cyclopedia

  • At another time; in another place; in other circumstances; otherwise.
  • n. An assumed name; another name.
  • n. [From words in the writ, Sicut alias præcipimus, as we at another time command.] In law, a second writ or execution issued when the first has failed to serve its purpose. Also used adjectively: as, an alias execution.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adv. as known or named at another time or place
  • n. a name that has been assumed temporarily

Etymologies

Latin aliās, otherwise, at another time, from feminine accusative pl. of alius, other.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin alias ("at another time; in post-Augustan period, at another time or place, elsewhere, under other circumstances, otherwise"), feminine accusative plural of alius ("other"). See else and alien. (Wiktionary)

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