/ Thesaurus / A Synonyms of attack dog Find synonyms for: Noun1. attack dog, watchdog, guard dogusage: a watchdog trained to attack on commandWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language