/ Thesaurus / G Synonyms of gilbert islands Find synonyms for: Noun1. Gilbert Islandsusage: a group of islands in Micronesia to the southwest of Hawaii; formerly part of the British colony of Gilbert and Ellice Islands until it became part of the Republic of Kiribati in 1979WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reluctant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language