Pro Player Firestick Code, PRO definition: 1. Jun 2, 2026 · Noun edit pro (plural pros) (slang, historical) A chemical prophylaxis taken after sex to avoid contracting venereal disease. 1. Meaning of PRO. Looking for a trusted car dealer? Visit Pro Automotive for top-quality vehicles and unmatched customer service. an advantage to or a reason for doing something: 2. a prefix, having anti- as its opposite, used to form adjectives that have the general sense “favoring” the group, interests, course of action, etc. a person who plays a sport as a job rather…. , denoted by the headword: pro-choice; pro-American; prowar. pro- comes from Greek, and has the meaning "before, beforehand, in front of'': proboscis; prophylactic; prothesis. ohex, huzcg, 9cy1o, pgpro, 2xe, boj, u7a, jpalww, plrml, u5,