19 entries under adverb topic. ×

12
unsuccessfully(poor, worthless, ineffective, futile)
11
vainly(poor, worthless, ineffective, futile)
9
ineffectively(poor, worthless, ineffective, futile)
9
ineffectually(poor, worthless, ineffective, futile)
8
fruitlessly(poor, worthless, ineffective, futile)
7
abortively(poor, worthless, ineffective, futile)
7
uselessly(poor, worthless, ineffective, futile)
5
badly(poor, worthless, ineffective, futile)
3
hopelessly(poor, worthless, ineffective, futile)
3
inefficiently(poor, worthless, ineffective, futile)
3
unproductively(poor, worthless, ineffective, futile)
3
unprofitably(poor, worthless, ineffective, futile)
3
unpromisingly(poor, worthless, ineffective, futile)
3
worthlessly(poor, worthless, ineffective, futile)
3
wretchedly(poor, worthless, ineffective, futile)
2
abominably(poor, worthless, ineffective, futile)
2
carelessly(poor, worthless, ineffective, futile)
2
unfavourably(poor, worthless, ineffective, futile)
2
unsatisfactorily(poor, worthless, ineffective, futile)
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APASmart Define. (2016). successfully thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/successfully/thesaurus/antonyms
ChicagoSmart Define. 2016. "successfully thesaurus" https://smartdefine.org/successfully/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, successfully thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/successfully/thesaurus/antonyms>.
MLASmart Define. "successfully thesaurus" 23 March 2016. Web. 24 September 2026. <https://smartdefine.org/successfully/thesaurus/antonyms>