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.

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.

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

May 21, 2025 · pro (plural pros) (slang, historical) A chemical prophylaxis taken after sex to avoid contracting venereal disease.

If you are pro a particular course of action or belief, you agree with it or support it.

a prefix indicating favor for some party, system, idea, etc., without identity with the group ( pro-British; pro-Communist; proslavery ), having anti- as its opposite.

a person who works as a professional, especially in a sport a golf pro He handled the situation like an old pro (= somebody who has a lot of experience). She’s a real pro.

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 …

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- comes from Greek, and has the meaning "before, beforehand, in front of'': proboscis; prophylactic; prothesis. pro- is also attached to a word and means "primitive or early form'': …