noun, prep, adj and 1 more — 11 senses
UK /pɹəʊ/ · US /pɹoʊ/
Etymology From Late Middle English pro, from Latin prō (“on behalf of”).
An advantage of something, especially when contrasted with its disadvantages (cons).
A person who supports a concept or principle.
Etymology From Late Middle English pro, from Latin prō (“on behalf of”).
In favor of.
Etymology Clipping of professional.
Professional.
Etymology From the term pronoun.
Human sciences, Linguistics, Sciences, Syntax A theoretical phonologically null pronoun
Used to indicate personal pronoun in sign language glosses, e.g. PRO.1 or PRO-1 for the first person.
Sign language linguistics
Etymology Clipping of professional.
A professional sportsman.
Colloquial Professional.
Etymology Clipping of prostitute.
Slang A prostitute.
Etymology Clipping of proproctor.
Etymology Clipping of prophylaxis.
Historical, Slang A chemical prophylaxis taken after sex to avoid contracting venereal disease.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — authors: page histories for pro and PRO.