/ Thesaurus / L Synonyms of lappet moth Find synonyms for: Noun1. lappet, lappet moth, lasiocampid, lasiocampid mothusage: medium-sized hairy moths; larvae are lappet caterpillarsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: imprudent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language