Likely to change or vary; variable:
Of dubious morality or respectability:
That can be supported by argument
Posing a problem; difficult to solve:
Fond of controversy; disputatious.
Of questionable character:
Subject to or open for discussion or debate; debatable
Precarious; unstable; unreliable.
Not to be contested; indisputable; unquestionable
The definition of incontrovertible is something that is definitely true and that cannot be denied or disproved.
That cannot be doubted, questioned, or disputed; absolutely true; certain
Not doubted or questioned; accepted:
Capable of being relied on; dependable:
Subject to or causing doubt:
Liable to exception; open to objection
Find another word for debatable. In this page you can discover 32 synonyms, antonyms, idiomatic expressions, and related words for debatable, like: disputable, unsettled, questionable, arguable, indisputable, mootable, problematic, problematical, controversial, controvertible and up for discussion.