2
dejected(adjective, characteristic, defeat, failure)
2
depressing(adjective, characteristic, defeat, failure)
2
deprived(adjective, characteristic, defeat, failure)
2
deteriorating(adjective, characteristic, defeat, failure)
2
detrimental(adjective, characteristic, defeat, failure)
2
diminishing(adjective, characteristic, defeat, failure)
2
disadvantaged(adjective, characteristic, defeat, failure)
2
disadvantageous(adjective, characteristic, defeat, failure)
2
disappearing(adjective, characteristic, defeat, failure)
2
dismal(adjective, characteristic, defeat, failure)
2
distressing(adjective, characteristic, defeat, failure)
1
in vain
1
neglectful(adjective, careless, careful, failing)
1
negligent(adjective, careless, indifferent, careful)
1
non-beneficial(adjective, wealth, prosperity, fortune)
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APASmart Define. (2015). successful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/successful/thesaurus/antonyms
ChicagoSmart Define. 2015. "successful thesaurus" https://smartdefine.org/successful/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, successful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/successful/thesaurus/antonyms>.
MLASmart Define. "successful thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/successful/thesaurus/antonyms>