8
inconclusive
7
indefinite
5
doubtful
4
questionable
3
indecisive
3
tentative(adjective, uncertain, indefinite)
2
ambiguous
2
debatable
2
disputable
2
equivocal
2
unconvincing
1
indeterminate
1
arguable
1
chancy
1
disputed
1
doubtable
1
dubious
1
first of all
1
head-to-head
1
incipient
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APASmart Define. (2016). conclusive thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/conclusive/thesaurus/antonyms
ChicagoSmart Define. 2016. "conclusive thesaurus" https://smartdefine.org/conclusive/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, conclusive thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/conclusive/thesaurus/antonyms>.
MLASmart Define. "conclusive thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/conclusive/thesaurus/antonyms>