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[sood-n-im] /ˈsud n ɪm/
a fictitious name used by an author to conceal his or her identity; pen name.
Compare allonym (def 1).
1840-50; < Greek pseudṓnymon false name; see pseud-, -onym
alias, nom de plume. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for pseudonym
  • As with some group blogs today, contributors could be required to log in, either under their real name or a pseudonym.
  • The present is the past traveling under a pseudonym.
  • Although it is not necessary, you may provide your name and address or pseudonym if you wish.
  • Cross references are made to authors using more than one pseudonym.
British Dictionary definitions for pseudonym


a fictitious name adopted, esp by an author
Derived Forms
pseudonymity, noun
Word Origin
C19: via French from Greek pseudōnumon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for pseudonym
1706 (in pseudonymous), from Fr. pseudonyme (adj.), from Gk. pseudonymos "having a false name," from pseudes "false" + onyma dial. form of "name." Properly of made-up names; the name of an actual author or person of reputation, affixed to a work he or she did not write, is an allonym. An author's actual name affixed to his or her work is an autonym (1867). Pseudonymous first recorded 1706.
Online Etymology Dictionary, © 2010 Douglas Harper
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