Synonyms|563Antonyms|84|Broader|7Narrower|17Related|163
0
bomb
0
cajole
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charm
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clumsiness
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coax
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cumbersomeness
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debacle
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deliberateness
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deliberation
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dud
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dullness
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entice
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failure(noun, weakness, ineffectiveness)
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fiasco
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flop
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foiling
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folly
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fruitlessness
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futility
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grounds
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APASmart Define. (2016). effectiveness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/effectiveness/thesaurus/antonyms
ChicagoSmart Define. 2016. "effectiveness thesaurus" https://smartdefine.org/effectiveness/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, effectiveness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/effectiveness/thesaurus/antonyms>.
MLASmart Define. "effectiveness thesaurus" 25 February 2016. Web. 22 September 2026. <https://smartdefine.org/effectiveness/thesaurus/antonyms>