/ Thesaurus / F Synonyms of ferocactus Find synonyms for: Noun1. Ferocactus, genus Ferocactus, caryophylloid dicot genususage: genus of nearly globular cacti of Mexico and southwestern United States: barrel cactiWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language