Breadcrumb Home > Thesaurus > B Synonyms of biodegrade Find synonyms for: Verb 1. biodegrade, decompose, rot, molder, moulder usage: break down naturally through the action of biological agents; "Plastic bottles do not biodegrade" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of biodegrade (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: hagiography Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language