- unproductive - not producing or capable of producing; "elimination of high-cost or unproductive industries"
Antonyms: productive, amentiferous, amentaceous, arable, cultivable, cultivatable, tillable, bearing, fecund, fertile, prolific, fruitful, profitable, oil-bearing, rich
- unproductive - not producing desired results; "the talks between labor and management were unproductive"
Antonyms: effective, effectual, efficacious (indirect, via ineffective)