Breadcrumb Home > Thesaurus > D Synonyms of dieback Find synonyms for: Noun 1. dieback, plant disease usage: a disease of plants characterized by the gradual dying of the young shoots starting at the tips and progressing to the larger branches WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of dieback (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: inmediasres Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language