/ Thesaurus / S Synonyms of sir martin frobisher Find synonyms for: Noun1. Frobisher, Sir Martin Frobisherusage: English explorer who led an expedition in search of the Northwest Passage to the orient; served under Drake and helped defeat the Spanish Armada (1535-1594)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language