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

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

Definition of pro noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Jan 15, 2026 · Noun [edit] pro (plural pros) (slang, historical) A chemical prophylaxis taken after sex to avoid contracting venereal disease.

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.

If noxious vapours come over, it is necessary to have an air-tight connexion between the condenser and receiver, and to pro vide the latter with an outlet tube leading to an absorption column or other …

Pro is an abbreviation meaning "professional". Pro, PRO or variants thereof might also refer to: Mike Awesome (1965–2007), a.k.a. The Pro, American wrestler Michael Lee Alfonso.

He is a pro when it comes to household repairs. She handled that tricky situation like an old pro. He is playing in the pros now.

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.