/ Thesaurus / F Synonyms of fifty percent Find synonyms for: Noun1. fifty percent, one-half, halfusage: a half expressed as a percentageWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language