/ Thesaurus / M Synonyms of muscle tone Find synonyms for: Noun1. muscular tonus, muscle tone, tonicity, tonus, toneusage: normal tonicity of the muscles; "exercise improves muscle tone"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language