Synonyms of unproductive

1 Syllable
lean, scant, leans
2 Syllables
sticker, desert, pointless, drossy, shucker, leaner, trivial, scrimpy, idlest, worthless, barren, fruitless, meager, leanest, no-good, empty, junker, fallow, scrapper
3 Syllables
no-account, unseeded, unplanted, acarpous, impotent, sterile, niggardly, resultless, unbearing, forceless, rinky-dink, useless, time-wasting, sylphlike, futile, unfruitful, slack-spined, rinkydink
4 Syllables
abortive, inutile, unusable, nongermane, unavailing, unfertile, infertile, unnotable, nonfunctional, ineffectual, defeasible, unusuable, unfunctional
5 Syllables
invertebrate, unprofitable, nonproductive, inadequate, uncultivable, ineffective, anticlimactic, inefficacious