/ Thesaurus / T Synonyms of thomsen's disease Find synonyms for: Noun1. myotonia congenita, Thomsen's disease, myotoniausage: a mild, rare, congenital form of myotonia characterized by muscle stiffnessWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: malady Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language