Synonyms of proponent

proponent

noun

prə-ˈpō-nənt 

as in advocate

a person who actively supports or favors a cause

a vocal proponent of the use of electric-powered cars

Synonyms & Similar Words

• advocate
• supporter
• advocator
• exponent
• promoter
• friend
• champion
• apostle
• booster
• protagonist
• white knight
• paladin
• expounder
• high priest
• true believer
• tub-thumper
• espouser
• backer
• adherent
• stalwart
• hierophant
• herald
• loyalist
• disciple
• gospeler
• interpreter
• follower
• cheerleader
• encourager
• cohort
• partisan
• fellow traveler
• applauder

Antonyms & Near Antonyms

• opponent
• adversary
• antagonist
• enemy
• foe
• critic
• rival
• faultfinder
• belittler

Example Sentences

Recent Examples of proponent

Rather, proponents of this approach say that there is a useful-enough approximation of understanding in latent space. — ArsTechnica, 13 July 2026

Its proponents championed a masculine vision of faith that emphasized physical discipline, character-building and experiencing the rugged outdoors. — Seth T. Kannarr, Fortune, 13 July 2026

Their proponents argued that taking action on immigration was popular in the state, though all but one of their bills failed. — Idaho Statesman, 10 July 2026

The wife of executive Scott Bryant and a devoted soccer mom to Bianca and Travis, Kim didn’t allow TVs in her house and was a strong proponent of an organic lifestyle—for good reason. — Britt Hayes, Entertainment Weekly, 10 July 2026