/ Thesaurus / S Synonyms of san diego Find synonyms for: Noun1. San Diegousage: a picturesque city of southern California on San Diego Bay near the Mexican border; site of an important naval baseWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language