61 entries under doubtful topic. ×

1
conjectural(unsettled, vague, questionable, assumed)
1
contingent(uncertain, unsettled, vague, dubious)
1
doubtable(shaky, risky, unlikely, unpromising)
1
dubitable(uncertain, shaky, dubious, unlikely)
1
fishy(uncertain, shaky, dubious, unlikely)
1
fitful(vague, hesitant, changeable, unsure)
1
hazy(shaky, vague, hesitant, changeable)
1
iffy(uncertain, unsettled, dubious, restricted)
1
impugnable(shaky, risky, unlikely, unpromising)
1
incalculable(vague, hesitant, changeable, unsure)
1
inconstant(vague, hesitant, changeable, unsure)
1
indeterminate(uncertain, vague, dubious, questionable)
1
indistinct(shaky, vague, hesitant, changeable)
1
insecure(shaky, vague, unsure, unlikely)
1
irregular(vague, hesitant, changeable, unsure)
1
irresolute(vague, hesitant, changeable, unsure)
1
long shot(expression, shaky, risky, unlikely)
1
obscure(uncertain, shaky, dubious, restricted)
1
on thin ice(expression, idiom, shaky, vague)
1
precarious(shaky, vague, unsure, unlikely)
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APASmart Define. (2015). unconfirmed thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unconfirmed/thesaurus/synonyms
ChicagoSmart Define. 2015. "unconfirmed thesaurus" https://smartdefine.org/unconfirmed/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unconfirmed thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unconfirmed/thesaurus/synonyms>.
MLASmart Define. "unconfirmed thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/unconfirmed/thesaurus/synonyms>