/ Thesaurus / V Synonyms of vasco nunez de balboa Find synonyms for: Noun1. Balboa, Vasco Nunez de Balboausage: Spanish explorer who in 1513 crossed the Isthmus of Darien and became the first European to see the eastern shores of the Pacific Ocean (1475-1519)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: jovial Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language