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Added 9 October 2026

pro

/pɹəʊ/ noun

In Latin: consultus Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about pro at Wordnik → Where our words come from →

An athlete who plays for pay.
An argument in favor of a proposal.

adjective

In favor of (an action or proposal etc.).
a pro vote

adverb

In favor of a proposition, opinion, etc.

Origin

From Late Middle English pro, from Latin prō (“on behalf of”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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