/ Thesaurus / S Synonyms of st. john's Find synonyms for: Noun1. Saint John's, St. John'susage: a port and provincial capital of Newfoundland2. St. John's, Saint John's, capital of Antigua and Barbudausage: the capital and largest city of Antigua and Barbuda; located on the island of AntiguaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language