pro- prefix us/proʊ/ supporting or approving of something: pro-American (Definition of pro from the Cambridge Academic Content Dictionary © Cambridge University Press)

The meaning of PRO is an argument or evidence in affirmation. How to use pro in a sentence.

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PRO definition: in favor of a proposition, opinion, etc. See examples of pro used in a sentence.

A pro player is a professional sportsman or woman. You can also use pro to refer to sports that are played by professional sportsmen or women.

PRO meaning: 1. an advantage to or a reason for doing something: 2. a person who plays a sport as a job rather…. Learn more.

The domain name pro is a generic top-level domain in the Domain Name System of the Internet. Its name is derived from professional, indicating its intended use by certified professionals.

1. a prefix, having anti- as its opposite, used to form adjectives that have the general sense “favoring” the group, interests, course of action, etc., denoted by the headword: pro-choice; pro-American; prowar.

Mar 13, 2026 · pro (plural pros) (slang, historical) A chemical prophylaxis taken after sex to avoid contracting venereal disease.