49 entries under unproductive topic. ×

37
barren(adjective, weak, poor, clean, base)
26
unproductive(adjective, weak, poor, base, inferior)
24
sanitary(adjective, clean, pure, fresh, neat)
22
infertile(adjective, clean, fruit, rich, useless)
22
unfruitful(adjective, weak, clean, dry, idle)
19
fruitless(noun, adjective, clean, product, useless)
16
vain(adjective, clean, useless, trivial, insufficient)
15
futile(adjective, poor, clean, base, inferior)
15
unfertile(adjective, empty, young, impotent)
15
unprofitable(adjective, poor, clean, base, inferior)
14
ineffectual(adjective, weak, poor, base, inferior)
13
childless(adjective, rich, barren)
13
aseptic(adjective, excite, clean, pure, fresh)
13
effete(adjective, weak, clean, empty, barren)
13
impotent(adjective, weak, poor, clean, short)
13
ineffective(adjective, weak, poor, base, inferior)
12
disinfected(adjective, clean, pure, fresh, wholesome)
12
profitless(adjective, poor, base, inferior, insignificant)
12
unavailing(adjective, poor, base, inferior, insignificant)
12
useless(adjective, poor, base, inferior, insignificant)
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APASmart Define. (2016). sterile thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sterile/thesaurus/synonyms
ChicagoSmart Define. 2016. "sterile thesaurus" https://smartdefine.org/sterile/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, sterile thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sterile/thesaurus/synonyms>.
MLASmart Define. "sterile thesaurus" 1 March 2016. Web. 29 September 2026. <https://smartdefine.org/sterile/thesaurus/synonyms>