Breadcrumb Home > Thesaurus > P Synonyms of plattdeutsch Find synonyms for: Noun1. Low German, Plattdeutsch, West Germanic, West Germanic languageusage: a German dialect spoken in northern GermanyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of plattdeutsch (Dictionary) ✖ Related Content Daily Word Quiz: solecism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language