Breadcrumb Home > Thesaurus > B Synonyms of bladder Find synonyms for: Noun 1. bladder, vesica, sac usage: a distensible membranous sac (usually containing liquid or gas) 2. bladder, bag usage: a bag that fills with air WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of bladder (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: majuscule Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language