2
changeable(adjective, doubtful, vague, hesitant, unsure)
2
debatable(adjective, uncertain, doubtful, shaky, vague)
2
dependent
2
dubious(adjective, uncertain, doubtful, vague, unsure)
2
indecisive(uncertain, doubtful, vague, dubious, unsure)
2
indefinite(uncertain, doubtful, unsettled, vague, dubious)
2
invalid(adjective, meaningless, unsubstantiated, unsupported, annulled)
2
provisional(adjective, uncertain, doubtful, unsettled, vague)
2
questionable(adjective, uncertain, doubtful, shaky, vague)
2
risky(adjective, doubtful, vague, unsure)
2
speculative(adjective, doubtful, unsettled, shaky, vague)
2
unauthoritative
2
undecided(adjective, doubtful, unsettled, vague, hesitant)
2
undemonstrated
2
unfixed(doubtful, vague, hesitant, changeable, unsure)
2
unsure(adjective, doubtful, vague)
2
void(adjective, meaningless, invalid, annulled, canceled)
1
acting
1
ad interim
1
ambivalent(doubtful, vague, hesitant, changeable, unsure)
11 years ago|9.5k views|share |citing 
APASmart Define. (2015). unconfirmed thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unconfirmed/thesaurus/synonyms
ChicagoSmart Define. 2015. "unconfirmed thesaurus" https://smartdefine.org/unconfirmed/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unconfirmed thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unconfirmed/thesaurus/synonyms>.
MLASmart Define. "unconfirmed thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unconfirmed/thesaurus/synonyms>