/ Thesaurus / H Synonyms of hearing dog Find synonyms for: Noun1. hearing dog, working dogusage: dog trained to assist the deaf by signaling the occurrence of certain soundsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language