/ Thesaurus / C Synonyms of common american shad Find synonyms for: Noun1. common American shad, Alosa sapidissima, shadusage: shad of Atlantic coast of North America; naturalized to Pacific coastWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language