- a person who is famous enough to be known only by one name, usually the first name
C20: from mono- + (epo) nym
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
Examples from the Web for mononym
Nonetheless, the pop provocateur that soap fans know by the mononym “Franco” has decided to unpack it.James Franco and Scott Haze on 'The Sound and the Fury' and Gawker 'Outing' Them As A 'Couple'
September 6, 2014