Breadcrumb Home > Thesaurus > T Synonyms of thirteen Find synonyms for: Noun 1. thirteen, 13, XIII, baker's dozen, long dozen, large integer usage: the cardinal number that is the sum of twelve and one Adjective 1. thirteen, 13, xiii, cardinal (vs. ordinal) usage: being one more than twelve WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of thirteen (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: soupon Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language