2
drab(adjective, dull, excite, boring, uninteresting)
2
earthbound(adjective, excite)
2
emaciated
2
exhausted(adjective, poor, useless, trivial, insufficient)
2
fastidious(adjective, clean)
2
gainless(adjective, dry, idle, product, useless)
2
germfree
2
impoverished
2
inane
2
infertility(noun, unproductiveness)
2
insipid(adjective, dull, boring, bland, uninteresting)
2
invalid(adjective, meaningless, unsubstantiated, unsupported, annulled)
2
lackluster(adjective, dull, excite, boring, uninteresting)
2
meager(adjective, weak, poor, insufficient, scarce)
2
niggardly(weak, poor, insufficient, scarce)
2
otiose(adjective, useless)
2
paltry(adjective, poor, base, inferior, insignificant)
2
ponderous(adjective, dull, boring, bland, insipid)
2
puny(adjective, slight, useless, trivial, petty)
2
purified(adjective, clean, perfect, pure, fresh)
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APASmart Define. (2016). sterile thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sterile/thesaurus/synonyms
ChicagoSmart Define. 2016. "sterile thesaurus" https://smartdefine.org/sterile/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sterile thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sterile/thesaurus/synonyms>.
MLASmart Define. "sterile thesaurus" 1 March 2016. Web. 25 September 2026. <https://smartdefine.org/sterile/thesaurus/synonyms>