dubitable
Open to doubt
Dubitable means open to doubt or question—the opposite of indubitable.
The word is rare and somewhat formal, appearing mainly in philosophical or legal contexts: The witness's account was dubitable at best.
Most speakers would simply say doubtful or questionable.
Uncertain of truth
- debatableOpen to question
- disputableAble to be challenged
- arguableOpen to dispute
- contestableAble to be challenged
controvertible · questionable · suspect · problematic · contentious · moot · open · challengeable
Not firmly known
- ambiguousHaving multiple interpretations
- equivocalUncertain in meaning
- inconclusiveNot yielding a decision
- indeterminateNot exactly known
vague · unclear · unsettled · tentative · unconfirmed · undecided · unresolved · nebulous
Inclined to distrust
- incredulousExpressing unwillingness to believe
- distrustfulLacking faith in others
- unconvincingNot able to persuade
- implausibleUnlikely to be true
far-fetched · fishy · unlikely · improbable · doubtable · disbelievable · unbelievable · unconvinced
doubtful
Uncertain of truth
- debatableOpen to question
- disputableAble to be challenged
- arguableOpen to dispute
contestable · controvertible · questionable · suspect · problematic · contentious · moot · open · challengeable · impugnable
uncertain
Not firmly known
- ambiguousHaving multiple interpretations
- equivocalUncertain in meaning
- inconclusiveNot yielding a decision
indeterminate · vague · unclear · unsettled · tentative · unconfirmed · undecided · unresolved · nebulous · speculative
suspicious
Inclined to distrust
- incredulousExpressing unwillingness to believe
- distrustfulLacking faith in others
- unconvincingNot able to persuade
implausible · far-fetched · fishy · unlikely · improbable · doubtable · disbelievable · unbelievable · unconvinced · leery
dubitableindubitable
Impossible to doubt
unquestionable · undeniable · indisputable · certain · incontestable