12
unavailing(adjective, poor, base, inferior, insignificant)
12
useless(adjective, poor, base, inferior, insignificant)
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)
10
clean(adjective, poor, clean, pure, fresh)
10
uninspired(adjective, dull, excite, dry, boring)
10
worthless(adjective, poor, base, value, inferior)
9
dry(adjective, weak, excite, poor, clean)
9
infecund(adjective, weak, clean, dead, empty)
9
unpolluted(adjective, clean, pure, fresh, neat)
8
bare(adjective, weak, poor, clean, low)
8
fallow(adjective, clean, unproductive, unproductiveness)
8
poor(adjective, weak, low, base, inferior)
8
sterilized(adjective, clean, pure, fresh, neat)
8
uninventive(adjective, dull, dry, boring, rich)
7
dead(adjective, clean, dry, bare, unresponsive)
7
desert(adjective, clean, bare, empty, unresponsive)
7
inadequate(adjective, weak, poor, short, incompetent)
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APASmart Define. (2016). sterile thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sterile/thesaurus/synonyms
ChicagoSmart Define. 2016. "sterile thesaurus" https://smartdefine.org/sterile/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, sterile thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sterile/thesaurus/synonyms>.
MLASmart Define. "sterile thesaurus" 1 March 2016. Web. 24 September 2026. <https://smartdefine.org/sterile/thesaurus/synonyms>