/ Thesaurus / R Synonyms of rat kangaroo Find synonyms for: Noun1. rat kangaroo, kangaroo rat, kangaroousage: any of several rabbit-sized ratlike Australian kangaroosWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language