32 entries under adjective topic. ×

6
unproductive
5
fruitless
5
idle(out, lazy, worthless, ineffective)
5
unfruitful(barren, unprofitable)
5
ineffective(strong, fit, successful)
4
barren(unable, unprofitable)
4
consumptive
2
abortive
2
destructive(injurious, devastating)
2
empty(ineffective, fruitless)
2
futile(hopeless, pointless)
2
impotent(strong, weak, useless, competent)
2
infertile(fruit, young)
2
sterile(clean, unproductive)
2
unprofitable
2
useless(weak, sensible, useful)
1
vain
1
indolent
1
inwhickedsavory(comfort, rich, wealth, safe)
1
meaningless(reasonable, meaningful)
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APASmart Define. (2015). productive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/productive/thesaurus/antonyms
ChicagoSmart Define. 2015. "productive thesaurus" https://smartdefine.org/productive/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, productive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/productive/thesaurus/antonyms>.
MLASmart Define. "productive thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/productive/thesaurus/antonyms>