/ Thesaurus / D Synonyms of dreadnaught Find synonyms for: Noun1. dreadnought, dreadnaught, battleship, battlewagonusage: battleship that has big guns all of the same caliberWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language