/ Thesaurus / B Synonyms of bismarck archipelago Find synonyms for: Noun1. Bismarck Archipelagousage: a group of islands in the southwestern Pacific to the northeast of New Guinea; part of Papua New GuineaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language