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.

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.

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

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

An argument in favor of something. The pros and cons of a matter. A person who favors the affirmative side of some debatable question. A vote for the affirmative. A professional, …

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; …

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

Pro is an abbreviation meaning "professional". PRO can have several meanings depending on the context, but generally it refers to someone who is in favor of or supportive of something.

Pro is a Latin root word meaning for. If you make a list of pros and cons, you are listing the reasons for doing something and the reasons not to, respectively. Pro is also the shortened …