/ Thesaurus / F Synonyms of flawlessness Find synonyms for: Noun1. perfection, flawlessness, ne plus ultra, stateusage: the state of being without a flaw or defectWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: crockery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language