/ Thesaurus / F Synonyms of flag smut Find synonyms for: Noun1. flag smut, smutusage: smut affecting leaves and stems of cereals and other grassesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language