Antonyms of adj disputable

2 senses of disputable

Sense 1
debatable, disputable -- (capable of being disproved)

INDIRECT (VIA contestable) -> incontestable, incontestible -- (incapable of being contested or disputed)

Sense 2
arguable, debatable, disputable, moot -- (open to argument or debate; "that is a moot question")

INDIRECT (VIA controversial) -> uncontroversial, noncontroversial -- (not likely to arouse controversy)

Similarity of adj disputable

2 senses of disputable

Sense 1
debatable, disputable -- (capable of being disproved)
       => contestable (vs. incontestable) -- (capable of being contested)

Sense 2
arguable, debatable, disputable, moot -- (open to argument or debate; "that is a moot question")
       => controversial (vs. uncontroversial) -- (marked by or capable of arousing controversy; "the issue of the death penalty is highly controversial"; "Rushdie's controversial book"; "a controversial decision on affirmative action")