Synonyms|227Antonyms|105|Broader|0Narrower|0Related|1.1k
6
unofficial(adjective, unauthorized)
5
inconclusive(adjective, shaky, restricted, unlikely, unpromising)
5
uncorroborated(adjective, unwarranted, untrue, flimsy, unsubstantiated)
5
unproven(adjective, uncertain, doubtful, dubious, unsubstantiated)
4
unascertained
4
unauthentic
4
unsettled(adjective, uncertain, doubtful, vague, dubious)
4
unsubstantiated(adjective, questionable, unproven)
4
unsupported(adjective, unwarranted, untrue, flimsy, unsubstantiated)
4
unverified(adjective, unsubstantiated, unsupported, uncorroborated)
3
doubtful(adjective, uncertain, shaky, vague, dubious)
3
hypothetical(adjective, uncertain, doubtful, dubious, imaginary)
3
pending(adjective, shaky, unlikely, unpromising)
3
unauthenticated
3
uncertain(adjective, doubtful, vague, dubious, changeable)
3
undetermined(adjective, doubtful, vague, hesitant, changeable)
3
unfounded
3
untested
2
ambiguous(adjective, uncertain, doubtful, shaky, vague)
2
baseless(adjective, substantiation)
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APASmart Define. (2015). unconfirmed thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unconfirmed/thesaurus/synonyms
ChicagoSmart Define. 2015. "unconfirmed thesaurus" https://smartdefine.org/unconfirmed/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unconfirmed thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unconfirmed/thesaurus/synonyms>.
MLASmart Define. "unconfirmed thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/unconfirmed/thesaurus/synonyms>