Breadcrumb Home > Thesaurus > J Synonyms of jasper Find synonyms for: Noun 1. jasper, opaque gem usage: an opaque form of quartz; red or yellow or brown or dark green in color; used for ornamentation or as a gemstone WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of jasper (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: chimera Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language