1
undemonstrated
1
uneasy(shaky, unlikely, unpromising)
1
unestablished
1
uneventful(adjective, dull, monotonous)
1
unfounded
1
unintelligible(obscure, uncertain, vague, unclear, indefinite)
1
unpersuasive
1
unphilosophical
1
unproven
1
unrigorous
1
unshown
1
unstable(uncertain, doubtful, shaky, indefinite, wavering)
1
unsubstantial
1
unsubstantiated
1
unsupported
1
unsupported by evidence(expression, idiom)
1
unsustained
1
untenable(adjective, reasoning)
1
untested
1
untried
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APASmart Define. (2015). inconclusive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/inconclusive/thesaurus/synonyms
ChicagoSmart Define. 2015. "inconclusive thesaurus" https://smartdefine.org/inconclusive/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, inconclusive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/inconclusive/thesaurus/synonyms>.
MLASmart Define. "inconclusive thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/inconclusive/thesaurus/synonyms>