Breadcrumb Home > Thesaurus > C Synonyms of conundrum Find synonyms for: Noun 1. riddle, conundrum, enigma, brain-teaser, problem usage: a difficult problem WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of conundrum (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: propinquity Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language