49 entries under adjective topic. ×

3
without success(unsuccess, expression, uselessness, adverb)
2
baulked(uselessness, unsuccess)
2
foiled
2
frustrated
2
needless
2
no avail(ineffectiveness, unsuccess, expression)
2
nugatory(unsuccess, uselessness, ineffectiveness)
2
powerless(uselessness, unsuccess)
2
to no avail(expression, unsuccess, uselessness)
2
to no purpose(expression, unsuccess, uselessness)
2
unprofitable(unsuccess, ineffectiveness)
2
worthless(unsuccess, uselessness, ineffectiveness)
1
abortive
1
barren(ineffectiveness, unsuccess)
1
bootless(unsuccess, obsolete)
1
doomed(ineffectiveness, unsuccess)
1
empty(ineffectiveness, unsuccess)
1
failed
1
for nothing
1
fruitless
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APASmart Define. (2016). in vain thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/in_vain/thesaurus/synonyms
ChicagoSmart Define. 2016. "in vain thesaurus" https://smartdefine.org/in_vain/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, in vain thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/in_vain/thesaurus/synonyms>.
MLASmart Define. "in vain thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/in_vain/thesaurus/synonyms>