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

Those lawmakers pressed legislative leaders to revisit that exemption this year, and SB 954 is the resulting compromise, its proponents say. — Andrew Graham, Sacbee.com, 19 Sep. 2026

Much of the general public, however, hasn’t caught up to these developments, which remain strongly discouraged and criticized by the abstinence support group space — especially proponents of AA. — Kristen Rogers, CNN Money, 18 Sep. 2026

Schools have long offered free meals to students who qualify, but proponents of universal programs argue the restrictions on eligibility create problems. — Mark Pazniokas, Hartford Courant, 18 Sep. 2026

Use Technology to Your Advantage Nadia Watts, the founder of Nadia Watts Interior Design, is a proponent of using technological advances to your advantage when designing an age-friendly bathroom. — Sarah Lyon, The Spruce, 18 Sep. 2026