Breadcrumb Home > Thesaurus > E Synonyms of epistasis Find synonyms for: Noun 1. hypostasis, epistasis, organic process, biological process usage: the suppression of a gene by the effect of an unrelated gene WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of epistasis (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: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language