49 entries under unproductive topic. ×

11
antiseptic(adjective, clean, pure, fresh, dead)
11
arid(adjective, dull, excite, clean, boring)
11
empty(adjective, poor, clean, base, inferior)
11
hygienic(adjective, clean, pure, fresh, healthy)
9
dry(adjective, weak, excite, poor, clean)
9
infecund(adjective, weak, clean, dead, empty)
8
bare(adjective, weak, poor, clean, low)
8
fallow(adjective, clean, unproductiveness)
8
sterilized(adjective, clean, pure, fresh, neat)
7
dead(adjective, clean, dry, bare, unresponsive)
7
desert(adjective, clean, bare, empty, unresponsive)
7
uninfected(adjective, clean, pure, fresh, dead)
7
unsuccessful(adjective, useless, trivial, insufficient, hopeless)
6
desolate(adjective, clean, dry, dead, empty)
5
pasteurized(adjective, clean, dry, dead, bare)
5
pointless(adjective, poor, base, inferior, insignificant)
5
waste(adjective, poor, clean, base, inferior)
4
bleak(adjective, clean)
4
decontaminated(adjective, clean, pure, dry, fresh)
4
gaunt(adjective, clean)
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APASmart Define. (2016). sterile thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/sterile/thesaurus/synonyms
ChicagoSmart Define. 2016. "sterile thesaurus" https://smartdefine.org/sterile/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, sterile thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/sterile/thesaurus/synonyms>.
MLASmart Define. "sterile thesaurus" 1 March 2016. Web. 30 September 2026. <https://smartdefine.org/sterile/thesaurus/synonyms>