proponent
noun
pro·po·nent
prə-ˈpō-nənt 
ˈprō-ˌpō-
: one who argues in favor of something : advocate
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Proponent comes from the same Latin word as propose, so a proponent is someone who proposes something, or at least supports it by speaking and writing in favor of it. Thus, for example, proponents of casinos argue that they create jobs, whereas proponents of a casino ban—that is, casino opponents—argue that they're corrupting and they take money away from people who can't afford it. As a rule, just about anything important that gets proposed also gets opposed.
Examples of proponent in a Sentence
a vocal proponent of the use of electric-powered cars
Recent Examples on the Web
Though no concrete evidence was ever provided, proponents of the rumor published multiple videos on YouTube, Facebook and other social media platforms detailing their claims.
—
Adeola Adeosun, MSNBC Newsweek, 13 July 2025
Crypto proponents say those rules could legitimize stablecoins, making banks, retailers and consumers more comfortable with using them to transfer funds.
—Niket Nishant, USA Today, 12 July 2025
Here’s Why Some Lawmakers Are Still Opposed Askew also spoke directly to some of the ongoing pushback that Sunday hunting proponents have gotten from Pennsylvania’s religious groups and other traditionalists, who view Sundays as a sacred day of rest.
—Dac Collins, Outdoor Life, 9 July 2025
The legendary rapper was quickly cremated, which his mother was a proponent of, but Knight stated that Pac had different plans for his funeral.
—Michael Saponara, Billboard, 1 July 2025
See All Example Sentences for proponent
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Adeola Adeosun, MSNBC Newsweek, 13 July 2025
Crypto proponents say those rules could legitimize stablecoins, making banks, retailers and consumers more comfortable with using them to transfer funds.
—Niket Nishant, USA Today, 12 July 2025
Here’s Why Some Lawmakers Are Still Opposed Askew also spoke directly to some of the ongoing pushback that Sunday hunting proponents have gotten from Pennsylvania’s religious groups and other traditionalists, who view Sundays as a sacred day of rest.
—Dac Collins, Outdoor Life, 9 July 2025
The legendary rapper was quickly cremated, which his mother was a proponent of, but Knight stated that Pac had different plans for his funeral.
—Michael Saponara, Billboard, 1 July 2025
See All Example Sentences for proponent
Cite this Entry
“Proponent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/proponent. Accessed 19 Jul. 2025.
Copy CitationKids Definition
proponent
noun
pro·po·nent
prə-ˈpō-nənt
ˈprō-ˌpō-nənt
: one who argues in favor of something
a proponent of recycling
Legal Definition
proponent
noun
pro·po·nent
prə-ˈpō-nənt
1
: one who argues in favor of something
2
: one who offers a will for probate
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