Meaning of “proponent” in the English Dictionary

british dictionary

"proponent" in American English

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proponentnoun [ C ]

us /prəˈpoʊ·nənt/

a person who supports an idea, plan, or cause:

Long a proponent of government health insurance, he pointed out that millions of Americans have no health insurance at all.

(Definition of “proponent” from the Cambridge Academic Content Dictionary © Cambridge University Press)