/ Thesaurus / R Synonyms of ryukyu islands Find synonyms for: Noun1. Ryukyu Islandsusage: a chain of 55 islands in the western Pacific to the to the southwest of Japan (returned by United States to Japan in 1972)WordNet 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