/ Thesaurus / P Synonyms of plum duff Find synonyms for: Noun1. duff, plum duff, puddingusage: a stiff flour pudding steamed or boiled usually and containing e.g. currants and raisins and citronWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language