/ Thesaurus / O Synonyms of oil beetle Find synonyms for: Noun1. oil beetle, blister beetle, meloidusage: any of various beetles that exude an oily substance from the leg joints that deters enemiesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language