The word "in-disputable" means indisputable, irrefutable, or unquestionable. When searching for antonyms for this term, one could consider words such as disputable, questionable, or debatable. Something that is disputable leaves room for discussion or argument, whereas something indisputable is considered fact. Questionable suggests that something may not be entirely reliable or trustworthy. And debatable implies that there are valid points on both sides of the debate, rather than a clear-cut answer. In summary, antonyms for "in-disputable" include disputable, questionable, debatable, and uncertain.