8 entries under productive topic. ×

4
fecund
4
fruitful
3
effective(adjective, persuasive)
3
prolific(adjective, fruitful)
2
fat(adjective, slight, rich, little)
2
efficacious(adjective, efficient)
1
gainful(adjective, profitable)
1
useful(adjective, bad, awkward, useless)
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APASmart Define. (2016). unproductive thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unproductive/thesaurus/antonyms
ChicagoSmart Define. 2016. "unproductive thesaurus" https://smartdefine.org/unproductive/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unproductive thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unproductive/thesaurus/antonyms>.
MLASmart Define. "unproductive thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/unproductive/thesaurus/antonyms>