The meaning of pro is an argument or evidence in affirmation Noun [edit] pro (plural pros) (slang, historical) a chemical prophylaxis taken after sex to avoid contracting venereal disease. How to use pro in a sentence.
An advantage to or a reason for doing something He handled the situation like an old pro (= somebody who has a lot of experience) A person who plays a sport as a job rather…
See examples of pro used in a sentence. Definition of pro noun from the oxford advanced learner's dictionary A person who works as a professional, especially in a sport