Breadcrumb Home > Thesaurus > T Synonyms of thirty Find synonyms for: Noun 1. thirty, 30, XXX, large integer usage: the cardinal number that is the product of ten and three Adjective 1. thirty, 30, xxx, cardinal (vs. ordinal) usage: being ten more than twenty WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of thirty (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: debridement Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language