noun ·4 syllables ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   An agent used to defoliate plants.

   "Agent Orange is a defoliant."

2. 2
   a chemical that is sprayed on plants and causes their leaves to fall off wordnet

Synonyms

All synonyms

acaricideanthelminticantibioticantisepticbug bombcarbamate insecticide

Etymology

From defoliate + -ant.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.