/ Thesaurus / W Synonyms of wheel bug Find synonyms for: Noun1. wheel bug, Arilus cristatus, assassin bug, reduviidusage: large predatory North American bug that sucks the blood of other insectsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language