/ Thesaurus / B Synonyms of beach grass Find synonyms for: Noun1. beach grass, grassusage: tough grasses with strong roots that can grow on exposed sandy shoresWordNet 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