Breadcrumb Home > Thesaurus > C Synonyms of crux Find synonyms for: Noun 1. Southern Cross, Crux, Crux Australis usage: a small conspicuous constellation in the southern hemisphere in the Milky Way near Centaurus 2. crux, crux of the matter, point usage: the most important point WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of crux (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: persiflage Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language