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

Pro definition: in favor of a proposition, opinion, etc.. See examples of PRO used 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: An argument or consideration in favor of something.

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; …

Definition of pro noun from the Oxford Advanced Learner's Dictionary. a person who works as a professional, especially in a sport. He handled the situation like an old pro (= somebody who …

Some words that the prefix pro- gave rise to are pro mise, pro, and pro mote. When you, for instance, make pro gress, you are stepping “forward,” whereas if you give the pro s in an …

Nov 9, 2025 · pro (plural pros) (slang, historical) A chemical prophylaxis taken after sex to avoid contracting venereal disease.

Synonyms for PRO: professional, expert, skilled, proficient, technical, skillful, specialist, specialized; Antonyms of PRO: nonprofessional, lay, general, unprofessional, inexpert, …

Prosoft Clinical is a full service Clinical Research Organization that has also been providing product development and analysis services to the pharmaceutical, biotech and medical device …