/ Thesaurus / B Synonyms of battle of boyne Find synonyms for: Noun1. Boyne, battle of Boyneusage: a battle in the War of the Grand Alliance in Ireland in 1690; William III defeated the deposed James II and so ended the Catholicism that had been reintroduced in England by the StuartsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language