/ Thesaurus / I Synonyms of iwo jima Find synonyms for: Noun1. Iwo Jimausage: the largest of the Volcano Islands of Japan2. Iwo, Iwo Jima, invasion of Iwousage: a bloody and prolonged operation on the island of Iwo Jima in which American marines landed and defeated Japanese defenders (February and March 1945)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language