/ Thesaurus / U Synonyms of united mine workers Find synonyms for: Noun1. United Mine Workers of America, United Mine Workers, industrial union, vertical unionusage: an industrial union of mine workers in North AmericaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language