245 entries under adjective topic. ×

33
barren(weak, slight, poor, thin)
31
sterile(weak, poor, base, inferior)
29
useless(weak, flat, poor, base)
28
fruitless(weak, flat, silly, stupid)
27
unfruitful(weak, slight, thin, small)
25
ineffective(weak, poor, base, silly)
23
unprofitable(flat, poor, base, silly)
22
futile(weak, flat, poor, base)
21
infertile(slight, thin, small, spare)
21
unavailing(weak, poor, base, silly)
20
vain(weak, flat, stupid, inadequate)
20
worthless(weak, poor, base, value)
19
bootless(weak, stupid, inferior, idle)
19
ineffectual(weak, poor, base, silly)
16
pointless(poor, base, inferior, insignificant)
15
abortive(weak, stupid, inferior, idle)
14
profitless(flat, poor, base, stupid)
13
impotent(weak, poor, silly, stupid)
13
unsuccessful(weak, inferior, inadequate, limited)
12
unfertile(empty, young, impotent, sterile)
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APASmart Define. (2016). unproductive thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unproductive/thesaurus/synonyms
ChicagoSmart Define. 2016. "unproductive thesaurus" https://smartdefine.org/unproductive/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, unproductive thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unproductive/thesaurus/synonyms>.
MLASmart Define. "unproductive thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/unproductive/thesaurus/synonyms>