Breadcrumb Home > Thesaurus > M Synonyms of mater Find synonyms for: Noun 1. mater, mother, female parent usage: an informal use of the Latin word for mother; sometimes used by British schoolboys or used facetiously Adjective 1. flat, mat, matt, matte, matted, dull (vs. bright) usage: not reflecting light; not glossy; "flat wall paint"; "a photograph with a matte finish" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of mater (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: spurious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language