Breadcrumb Home > Thesaurus > C Synonyms of ci Find synonyms for: Noun 1. curie, Ci, radioactivity unit usage: a unit of radioactivity equal to the amount of a radioactive isotope that decays at the rate of 37,000,000,000 disintegrations per second Adjective 1. hundred and one, one hundred one, 101, ci, cardinal (vs. ordinal) usage: being one more than one hundred WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of ci (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: rort Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language