/ Thesaurus / S Synonyms of sloop of war Find synonyms for: Noun1. sloop of war, warship, war vessel, combat shipusage: a sailing or steam warship having cannons on only one deckWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language