proponent

pro·po·nent

noun \prə-ˈpō-nənt, ˈprō-ˌ\

Definition of PROPONENT

: one who argues in favor of something : advocate

Examples of PROPONENT

1. <a vocal proponent of the use of electric-powered cars>

Origin of PROPONENT

Latin proponent-, proponens, present participle of proponere

First Known Use: 1588

Related to PROPONENT

Synonyms: advocate, advocator, apostle, backer, booster, champion, expounder, espouser, friend, gospeler (or gospeller), herald, hierophant, high priest, paladin, promoter, exponent, protagonist, supporter, true believer, tub-thumper, white knight

Antonyms: adversary, antagonist, opponent

Related Words: loyalist, partisan (also partizan), stalwart; adherent, cohort, disciple, follower; interpreter; applauder, cheerleader, encourager, fellow traveler

Near Antonyms: enemy, foe, rival; belittler, critic, faultfinder

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Rhymes with PROPONENT

component, deponent, exponent, opponent