7
productive(adjective, creative, fruitful)
6
creative(adjective, feature, skill, inability, imaginative)
6
green
5
fertile(adjective, produce, ready)
4
fecund(adjective, productive)
4
fruitful(adjective, productive)
3
cost effective
3
effective(adjective, productive, persuasive)
3
efficient
3
luxuriant
3
prolific(adjective, productive, fruitful)
3
successful
3
supportive
2
fat(adjective, slight, rich, little, productive)
2
active
2
effectual(adjective, influential, authoritative)
2
efficacious(adjective, efficient, productive)
2
industrious(adjective, hardworking)
2
potent
2
profitable
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APASmart Define. (2016). unproductive thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unproductive/thesaurus/antonyms
ChicagoSmart Define. 2016. "unproductive thesaurus" https://smartdefine.org/unproductive/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, unproductive thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unproductive/thesaurus/antonyms>.
MLASmart Define. "unproductive thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/unproductive/thesaurus/antonyms>