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.

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

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.

Nov 21, 2025 · Noun [edit] pro (plural pros) (slang, historical) A chemical prophylaxis taken after sex to avoid contracting venereal disease.

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'': prodrug; prosimian.

In some words, as proconsul, proprætor, pronoun, etc., it is properly the preposition (Latin pro, for, instead of). from the GNU version of the Collaborative International Dictionary of English.

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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 …

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.