5
successfully(adverb, feature, state, characteristic)
4
effectually
2
capably
2
competently
2
effectively
1
cogently
1
conclusively
1
convincingly
1
efficiently
1
fruitfully
1
influentially
1
strongly
0
ably
0
abundantly
0
adamantly
0
adeptly
0
adequately
0
admirably
0
adroitly
0
aggressively
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APASmart Define. (2013). ineffectually thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/ineffectually/thesaurus/antonyms
ChicagoSmart Define. 2013. "ineffectually thesaurus" https://smartdefine.org/ineffectually/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2013, ineffectually thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/ineffectually/thesaurus/antonyms>.
MLASmart Define. "ineffectually thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/ineffectually/thesaurus/antonyms>