18 entries under ineffectiveness topic. ×

2
ineffectually(adverb, unsuccess)
2
no avail(adjective, unsuccess, expression)
2
nugatory(adjective, unsuccess, uselessness)
2
unprofitable(adjective, unsuccess)
2
worthless(adjective, unsuccess, uselessness)
1
barren(adjective, unsuccess)
1
doomed(adjective, unsuccess)
1
empty(adjective, unsuccess)
1
futilely(adverb, unsuccess)
1
hollow(adjective, unsuccess)
1
idle(adjective, unsuccess)
1
lost(adjective, unsuccess)
1
no effect(adjective, unsuccess)
1
of no use(adjective, unsuccess, expression)
1
sterile(adjective, unsuccess)
1
to no effect(expression, uselessness, unsuccess)
1
vain(adjective, uselessness, unsuccess)
1
valueless(adjective, unsuccess)
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APASmart Define. (2016). in vain thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/in_vain/thesaurus/synonyms
ChicagoSmart Define. 2016. "in vain thesaurus" https://smartdefine.org/in_vain/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, in vain thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/in_vain/thesaurus/synonyms>.
MLASmart Define. "in vain thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/in_vain/thesaurus/synonyms>