60 entries under adjective topic. ×

3
bootless
3
inefficacious
3
vain(unsuccessful, arouse bad feelings)
2
declining
2
substandard
2
unavailing(unsuccessful, arouse bad feelings)
1
crumpled
1
deceased
1
deteriorating
1
done for
1
for nothing
1
hopeless
1
impotent
1
in vain
1
kaput
1
no avail
1
no purpose
1
poor
1
profitless
1
unproductive
10 years ago|9.4k views|share |citing 
APASmart Define. (2016). failed thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/failed/thesaurus/synonyms
ChicagoSmart Define. 2016. "failed thesaurus" https://smartdefine.org/failed/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, failed thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/failed/thesaurus/synonyms>.
MLASmart Define. "failed thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/failed/thesaurus/synonyms>