/ Thesaurus / S Synonyms of soundness Find synonyms for: Noun1. soundness, condition, statususage: a state or condition free from damage or decay2. wisdom, wiseness, soundness, good, goodnessusage: the quality of being prudent and sensible3. firmness, soundness, strengthusage: the muscle tone of healthy tissue; "his muscular firmness"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: lyre Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language