Breadcrumb Home > Thesaurus > Q Synonyms of quinidine Find synonyms for: Noun 1. quinidine, Quinidex, Quinora, antiarrhythmic, antiarrhythmic drug, antiarrhythmic medication usage: cardiac drug (trade names Quinidex and Quinora) used to treat certain heart arrhythmias WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of quinidine (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: encomium Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language