40 entries under ineffective topic. ×

24
futile(adjective, weak, inadequate, limited, feeble)
23
abortive(adjective, inferior, inadequate, limited, feeble)
22
fruitless(adjective, weak, inferior, inadequate, limited)
21
ineffectual(adjective, weak, inadequate, limited, feeble)
18
useless(adjective, weak, failure, inferior, inadequate)
17
unavailing(adjective, weak, inferior, short, inadequate)
16
vain(adjective, weak, inferior, short, inadequate)
14
unproductive(adjective, weak, inferior, inadequate, limited)
13
bootless(adjective, inferior, inadequate, limited, feeble)
13
failed(adjective, failing, vain, futile)
13
unprofitable(adjective, gain, inferior, inadequate, feeble)
11
pointless(adjective, product, useless, trivial, empty)
10
defeated(adjective, weak, short, failing, finished)
10
unfruitful(adjective, inferior, inadequate, limited, feeble)
9
thwarted(adjective, failing, worsted, vain)
9
worthless(adjective, inferior, inadequate, limited, feeble)
8
sterile(adjective, useless, trivial, insufficient, hopeless)
8
unlucky(adjective, bad, failing, wretched, inappropriate)
7
barren(adjective, inadequate, feeble, useless, trivial)
6
failing(adjective, failure, vain, weakening)
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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>