One of the mysteries of the English language finally explained.
Synonyms of unproductive in English:
unproductive
See definition of unproductive
adjective
1‘acidic, unproductive soil’
SYNONYMS
sterile, barren, infertile, uncultivatable, unfruitful, poor, lifeless, lean, arid
ANTONYMS
productive, fruitful
2‘a costly and unproductive bureaucracy’
SYNONYMS
fruitless, futile, vain, idle, useless, worthless, valueless, pointless, ineffective, ineffectual, to no effect, impotent, inefficacious, unprofitable, unremunerative, unrewarding
rare otiose
ANTONYMS
productive, efficient