146 entries under adjective topic. ×

24
futile(weak, inadequate, limited, feeble)
23
abortive(inferior, inadequate, limited, feeble)
22
fruitless(weak, inferior, inadequate, limited)
21
ineffectual(weak, inadequate, limited, feeble)
18
useless(weak, failure, inferior, inadequate)
17
unavailing(weak, inferior, short, inadequate)
16
vain(weak, inferior, short, inadequate)
16
ineffective(weak, useless, trivial, failing)
14
unproductive(weak, inferior, inadequate, limited)
13
bootless(inferior, inadequate, limited, feeble)
13
failed(failing, vain, ineffective, futile)
13
unfortunate(bad, poor, failure, miserable)
13
unprofitable(gain, inferior, inadequate, feeble)
12
frustrated(worsted, arouse bad feelings, unslaked, hamstrung)
11
pointless(product, useless, trivial, empty)
11
foiled(failing, arouse bad feelings)
10
defeated(weak, short, failing, finished)
10
unfruitful(inferior, inadequate, limited, feeble)
9
inefficacious(inferior, inadequate, limited, feeble)
9
thwarted(failing, worsted, vain, ineffective)
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APASmart Define. (2016). unsuccessful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unsuccessful/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsuccessful thesaurus" https://smartdefine.org/unsuccessful/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unsuccessful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unsuccessful/thesaurus/synonyms>.
MLASmart Define. "unsuccessful thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/unsuccessful/thesaurus/synonyms>