/ Thesaurus / H Synonyms of heterogeneousness Find synonyms for: Noun1. heterogeneity, heterogeneousness, nonuniformityusage: the quality of being diverse and not comparable in kindWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: placate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language