disputable

The referee’s decision was disputable.

He made some very disputable claims about his record.

The existence of aliens is disputable.

The accuracy of the data is disputable.

The decision made by the committee is disputable.

His reputation is disputable among his colleagues.

The effectiveness of the new policy is disputable.

The theory proposed by the scientist is disputable.

The origin of the ancient artifact is disputable.

The authenticity of the painting is disputable.

The impact of social media on mental health is disputable.

The company's financial report is disputable.