Breadcrumb Home > Thesaurus > C Synonyms of coastal Find synonyms for: Adjective 1. coastal usage: of or relating to a coast; "coastal erosion" 2. coastal (vs. inland), coastwise, inshore, maritime, seaward usage: located on or near or bordering on a coast; "coastal marshes"; "coastal waters"; "the Atlantic coastal plain" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of coastal (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: aphasia Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language