Questionable

The evidence against the suspect was questionable.

The authenticity of the painting is questionable; it could be a forgery.

The website's credibility is questionable as it contains numerous false claims.

I have some questionable doubts about the new employee's qualifications.

The teacher's grading methods were questionable, as some students received significantly lower grades than expected.

The artist's latest exhibition featured some questionable artistic choices that left viewers perplexed.

The company's financial statements are highly questionable, suggesting possible accounting irregularities.

The politician's statements were highly questionable and raised concerns among the public.

The professor's questionable grading practices led to complaints from students.

The documentary presented some questionable claims without providing sufficient evidence.

The new drug on the market has a questionable safety record, causing concern among healthcare professionals.

The experimental drug's effectiveness remains questionable, requiring further research and testing.

The accuracy of the historical account in the book is questionable, as it presents conflicting information.

The accuracy of the historical account in the novel was questionable, as it contained several inaccuracies.

The suspect's alibi was deemed questionable by the detective, raising doubts about their innocence.

The validity of the research findings was questionable due to a small sample size.

The reliability of the online review was questionable, as it seemed biased and lacked supporting evidence.

The safety measures at the amusement park are questionable, raising concerns among visitors.

The company's financial practices were questionable, leading to an investigation by authorities.

The politician's questionable ethics have tarnished their reputation among voters.