[ pruh-poh-nuhnt ]
/ prəˈpoʊ nənt /


a person who puts forward a proposition or proposal.
a person who argues in favor of something; an advocate.
a personwho supports a cause or doctrine; adherent.
a person who propounds a legal instrument, such as a will for probate.

Origin of proponent

First recorded in 1580–90, proponent is from the Latin word prōpōnent- (stem of prōpōnēns). See propone, -ent

Can be confused

antagonist proponent protagonist Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for proponent

British Dictionary definitions for proponent


/ (prəˈpəʊnənt) /


a person who argues in favour of something
law a person who seeks probate of a will

Word Origin for proponent

C16: from Latin prōpōnere to propose
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