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