/ Thesaurus / R Synonyms of rock cress Find synonyms for: Noun1. rock cress, rockcress, cress, cress plantusage: any of several rock-loving cresses of the genus ArabisNoun1. rock cress, rockcress, cress, cress plantusage: noxious cress with yellow flowers; sometimes placed in genus SisymbriumWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language