Breadcrumb Home > Thesaurus > C Synonyms of cst Find synonyms for: Noun 1. Central Time, Central Standard Time, CST, civil time, standard time, local time usage: standard time in the 6th time zone west of Greenwich, reckoned at the 90th meridian; used in the central United States WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of cst (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: terraincognita Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language