/ Thesaurus / I Synonyms of ironsides Find synonyms for: Noun1. Cromwell, Oliver Cromwell, Ironsidesusage: English general and statesman who led the parliamentary army in the English Civil War (1599-1658)Noun1. Cromwell, Oliver Cromwell, Ironsidesusage: a man of great strength or braveryWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language