/ Thesaurus / U Synonyms of unproductiveness Find synonyms for: Noun1. unproductiveness, fruitlessness, aridity, barrennessusage: the quality of lacking the power to produceWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language