coastal

adjective

coast·​al ˈkō-stᵊl 

: of or relating to a coast : located on or near a coast

coastal marshes

coastal traffic

: bordering on a coast

the Atlantic coastal plain

coastal waters

coastally adverb

Word History

Etymology

coast entry 1 + -al

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Rhymes for coastal

• postal
• intercoastal
• intracoastal