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

While proponents aim to boost affordability and address food deserts, economists warn of market distortion. — Nathan Goldman, Forbes.com, 28 July 2026

Several Republican senators and leading proponents of the bill are vowing to oppose a vote to leave for recess. — Ramsey Touchberry, The Washington Examiner, 27 July 2026

The technology has its proponents who laud its investigative power, while opponents call it a mass surveillance system that violates privacy and civil liberties. — Eric Levenson, CNN Money, 26 July 2026

Learn New Things A proponent of waking up early, Martha endeavors to make the most of every day. — Wendy Rose Gould, Martha Stewart, 26 July 2026