/ Thesaurus / L Synonyms of long beach Find synonyms for: Noun1. Long Beachusage: a city in southern California located on 8.5 miles of Pacific beachfront; was a resort until oil was discovered in 1921WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language