/ Thesaurus / F Synonyms of fattiness Find synonyms for: Noun1. adiposity, adiposeness, fattiness, fatness, fat, blubber, avoirdupoisusage: having the property of containing fat; "he recommended exercise to reduce my adiposity"WordNet 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