[ soo-don-uh-muh s ]
/ suˈdɒn ə məs /


bearing a false or fictitious name.
writing or written under a fictitious name.

Origin of pseudonymous

1700–10; < Greek pseudṓnymos; see pseudonym, -ous
Related formspseu·don·y·mous·ly, adverbpseu·don·y·mous·ness, noun
Can be confusedanonymous pseudonymous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pseudonymous

British Dictionary definitions for pseudonymous


/ (sjuːˈdɒnɪməs) /


having or using a false or assumed name
writing or having been written under a pseudonym
Derived Formspseudonymously, adverb
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

Word Origin and History for pseudonymous



1766, from Modern Latin pseudonymus, from Greek pseudonymos (see pseudonym). Related: Pseudonymously.

Online Etymology Dictionary, © 2010 Douglas Harper