112 entries under adjective topic. ×

6
unofficial
5
inconclusive(shaky, restricted, unlikely, unpromising)
5
uncorroborated(unwarranted, untrue, flimsy, unsubstantiated)
5
unproven(uncertain, doubtful, dubious, unsubstantiated)
4
unsettled(uncertain, doubtful, vague, dubious)
4
unsubstantiated(questionable, unproven)
4
unsupported(unwarranted, untrue, flimsy, unsubstantiated)
4
unverified(unsubstantiated, unsupported, uncorroborated)
3
doubtful(uncertain, shaky, vague, dubious)
3
hypothetical(uncertain, doubtful, dubious, imaginary)
3
pending(shaky, unlikely, unpromising)
3
uncertain(doubtful, vague, dubious, changeable)
3
undetermined(doubtful, vague, hesitant, changeable)
3
unfounded
3
untested
2
ambiguous(uncertain, doubtful, shaky, vague)
2
baseless
2
changeable(doubtful, vague, hesitant, unsure)
2
debatable(uncertain, doubtful, shaky, vague)
2
dubious(uncertain, doubtful, vague, unsure)
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APASmart Define. (2015). unconfirmed thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unconfirmed/thesaurus/synonyms
ChicagoSmart Define. 2015. "unconfirmed thesaurus" https://smartdefine.org/unconfirmed/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unconfirmed thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unconfirmed/thesaurus/synonyms>.
MLASmart Define. "unconfirmed thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unconfirmed/thesaurus/synonyms>