unproductive Antonyms

invaluable productive profitable proliferous prolific puberal reproductive riotous saving sedulous smaragdine structured successful swamped systematic tillable procreant potent knee-deep lard leafy loamy luxuriant madding madhouse mediatorial occupied olivaceous originative overzealous parturient peaty porraceous timesaving trafficable woolly working worthwhile moneymaking streamlined useable with child live birth rumbustious lipid functioning cash crop meaningful ohmic unexhausted