/ Thesaurus / N Synonyms of nineteenth amendment Find synonyms for: Noun1. Nineteenth Amendmentusage: an amendment to the Constitution of the United States adopted in 1920; guarantees that no state can deny the right to vote on the basis of sexWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language