/ Thesaurus / R Synonyms of russian cactus Find synonyms for: Noun1. Russian thistle, Russian tumbleweed, Russian cactus, tumbleweed, Salsola kali tenuifolia, shrub, bushusage: prickly bushy Eurasian plant; a troublesome weed in central and western United StatesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: beseech Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language