Breadcrumb Home > Thesaurus > D Synonyms of defoliant Find synonyms for: Noun 1. defoliant, compound, chemical compound usage: a chemical that is sprayed on plants and causes their leaves to fall off WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of defoliant (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: annular Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language