/ Thesaurus / B Synonyms of british isles Find synonyms for: Noun1. British Islesusage: Great Britain and Ireland and adjacent islands in the north AtlanticWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language