Breadcrumb Home > Thesaurus > U Synonyms of umlaut Find synonyms for: Noun 1. umlaut, dieresis, diaeresis, diacritical mark, diacritic usage: a diacritical mark (two dots) placed over a vowel in German to indicate a change in sound WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of umlaut (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language