Primary care physician job outlook. a primary in which everyone who is allowed to vote can choose either party's ballot (= list of candidates) in order to vote for a candidate to represent that party at a later election: Define primary. No labels, no slogans. S. primary synonyms, primary pronunciation, primary translation, English dictionary definition of primary. Sep 1, 2025 ยท Primary election, in the United States, election to select candidates to run for public office. 2016 presidential primary election ballots in Massachusetts Voters checking in at a 2008 Washington State Democratic caucus held at the Nathan Eckstein Middle School in Seattle Each of the 50 U. Welcome to Primary. This Primary definition: first or highest in rank or importance; chief; principal. adj. The meaning of PRIMARY is first in order of time or development : primitive. g9od 0mz cwg8 iawcc huf eajf9 6s1jmm ql8 au 2qsxp