/ Thesaurus / C Synonyms of cube root Find synonyms for: Noun1. cube root, rootusage: a number that when multiplied three times equals a given numberWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language