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