pro: Meaning and Definition of
— adv., n., pl. pros.
- in favor of a proposition, opinion, etc.
- a proponent of an issue; a person who upholds the affirmative in a debate.
- an argument, consideration, vote, etc., for something. Cf..
— adj., n., pl. pros.
- the professional athletic leagues, as of football, baseball, or basketball: He's sure to be signed by the pros.
— pl. pros.
- prophylactic (def. 5).
Pronunciation: (prō Eng. prō), [key]
— prep. Latin.
- public relations officer.
— Biochem. Biochem.
- 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 prefix of priority in space or time having especially a meaning of advancing or projecting forward or outward, and also used to indicate substitution, attached widely to stems not used as words: provision; prologue; proceed; produce; protract; procathedral; proconsul.
- a prefix identical in meaning with, occurring in words borrowed from Greek (prodrome) or formed of Greek (and occasionally Latin) elements.
- pro (Thesaurus)