Breadcrumb Home > Thesaurus > T Synonyms of twelve Find synonyms for: Noun 1. twelve, 12, XII, dozen, large integer usage: the cardinal number that is the sum of eleven and one Adjective 1. twelve, 12, xii, dozen, cardinal (vs. ordinal) usage: denoting a quantity consisting of 12 items or units WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of twelve (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