Antonyms of adj indisputable

2 senses of indisputable

Sense 1
incontestable, indisputable, undisputable -- (not open to question; obviously true; "undeniable guilt"; "indisputable evidence of a witness")

INDIRECT (VIA undeniable) -> deniable -- (capable of being denied or contradicted)

Sense 2
indisputable, sure -- (impossible to doubt or dispute; "indisputable (or sure) proof")

INDIRECT (VIA certain) -> uncertain -- (not established beyond doubt; still undecided or unknown; "an uncertain future"; "a manuscript of uncertain origin"; "plans are still uncertain"; "changes of great if uncertain consequences"; "without further evidence his story must remain uncertain")

Similarity of adj indisputable

2 senses of indisputable

Sense 1
incontestable, indisputable, undisputable -- (not open to question; obviously true; "undeniable guilt"; "indisputable evidence of a witness")
       => undeniable (vs. deniable) -- (not possible to deny)

Sense 2
indisputable, sure -- (impossible to doubt or dispute; "indisputable (or sure) proof")
       => certain (predicate) (vs. uncertain) -- (established beyond doubt or question; definitely known; "what is certain is that every effect must have a cause"; "it is certain that they were on the bus"; "his fate is certain"; "the date for the invasion is certain")

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