/ Thesaurus / S Synonyms of san andreas fault Find synonyms for: Noun1. San Andreas Faultusage: a major geological fault in California; runs from San Diego to San Francisco; the source of serious earthquakesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language