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

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 form of the word …

Mar 13, 2026 · 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.

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, especially in sports. An …

In some words, as proconsul, proprætor, pronoun, etc., it is properly the preposition (Latin pro, for, instead of). noun A Latin preposition occurring in several phrases used in English.

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 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.