Breadcrumb Home > Thesaurus Cite Synonyms of borneo Find synonyms for: Noun1. Borneo, Kalimantanusage: 3rd largest island in the world; in the western Pacific to the north of Java; largely covered by dense jungle and rain forest; part of the Malay ArchipelagoWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.See also: borneo (Dictionary) Related Content Daily Word Quiz: recherch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index