75 entries under insufficient topic. ×

37
barren(adjective, weak, poor, clean, base)
26
unproductive(adjective, weak, poor, base, inferior)
19
fruitless(noun, adjective, clean, product, useless)
16
vain(adjective, clean, useless, trivial)
15
unprofitable(adjective, poor, clean, base, inferior)
14
ineffectual(adjective, weak, poor, base, inferior)
13
impotent(adjective, weak, poor, clean, short)
13
ineffective(adjective, weak, poor, base, inferior)
12
profitless(adjective, poor, base, inferior, insignificant)
12
unavailing(adjective, poor, base, inferior, insignificant)
12
useless(adjective, poor, base, inferior, insignificant)
11
empty(adjective, poor, clean, base, inferior)
10
worthless(adjective, poor, base, value, inferior)
9
dry(adjective, weak, excite, poor, clean)
8
bare(adjective, weak, poor, clean, low)
8
poor(adjective, weak, low, base, inferior)
7
inadequate(adjective, weak, poor, short, incompetent)
7
unsuccessful(adjective, useless, trivial, hopeless)
6
trifling(adjective, poor, base, inferior, insignificant)
6
trivial(adjective, poor, base, inferior, insignificant)
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APASmart Define. (2016). sterile thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sterile/thesaurus/synonyms
ChicagoSmart Define. 2016. "sterile thesaurus" https://smartdefine.org/sterile/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, sterile thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sterile/thesaurus/synonyms>.
MLASmart Define. "sterile thesaurus" 1 March 2016. Web. 27 September 2026. <https://smartdefine.org/sterile/thesaurus/synonyms>