/ Thesaurus / S Synonyms of soundly Find synonyms for: Adverb1. soundlyusage: deeply or completely; "slept soundly through the storm"; "the baby is sleeping soundly"2. thoroughly, soundly, goodusage: completely and absolutely (`good' is sometimes used informally for `thoroughly'); "he was soundly defeated"; "we beat him good"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language