/ Thesaurus / D Synonyms of die back Find synonyms for: Noun1. dieback, plant diseaseusage: a disease of plants characterized by the gradual dying of the young shoots starting at the tips and progressing to the larger branchesVerb1. die back, die down, shrivel, shrivel up, shrink, witherusage: suffer from a disease that kills shoots; "The plants near the garage are dying back"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language