2
verdant
1
abundant
1
amentaceous
1
amentiferous
1
ample
1
arable
1
bounteous
1
bountiful
1
cost-effective
1
cultivable
1
cultivatable
1
functional
1
gainful(adjective, productive, profitable)
1
ingenious
1
leafy
1
lush
1
oil-bearing
1
operating
1
originative
1
outside the box
10 years ago|1.7k views|share |citing 
APASmart Define. (2016). unproductive thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unproductive/thesaurus/antonyms
ChicagoSmart Define. 2016. "unproductive thesaurus" https://smartdefine.org/unproductive/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unproductive thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unproductive/thesaurus/antonyms>.
MLASmart Define. "unproductive thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/unproductive/thesaurus/antonyms>