Breadcrumb Home > Thesaurus > W Synonyms of webworm Find synonyms for: Noun1. webworm, caterpillarusage: several gregarious moth larvae that spin webs over foliage on which they feedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of webworm (Dictionary) ✖ Related Content Daily Word Quiz: sepulture Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language