/ Thesaurus / B Synonyms of beach flea Find synonyms for: Noun1. beach flea, sand hopper, sandhopper, sand flea, amphipodusage: small amphipod crustaceans that hop like fleas; common on ocean beachesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: coincidence Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language