/ Thesaurus / L Synonyms of larvacide Find synonyms for: Noun1. larvacide, insecticide, insect powderusage: an insecticide that kills the larvae of insectsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language