Breadcrumb Home > Thesaurus > O Synonyms of one tenth Find synonyms for: Noun1. one-tenth, tenth, tenth part, ten percent, common fraction, simple fractionusage: a tenth part; one part in ten equal partsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: sophism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language