/ Thesaurus / C Synonyms of coral sea Find synonyms for: Noun1. Coral Seausage: an arm of the South Pacific to the northeast of Australia2. Coral Sea, battle of the Coral Seausage: a Japanese defeat in World War II (May 1942); the first naval battle fought entirely by planes based on aircraft carriersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language