Doubtful

The safety of the new experimental drug is still doubtful, as it hasn't undergone extensive testing.

I have a doubtful memory of that event; it happened so long ago.

The students were doubtful about their chances of passing the challenging exam.

The accuracy of the news article is doubtful as it contains several factual errors.

The scientist conducted several experiments to confirm the doubtful results.

The student was doubtful about the accuracy of his answers.

The safety of the old bridge is doubtful, so it's recommended to avoid using it.

She felt doubtful about the future of their relationship after their recent argument.

The accuracy of the survey results is doubtful, as the sample size was too small.

The accuracy of the historical account is doubtful.

The detective had a doubtful hunch about the suspect's alibi.

The team played doubtful in the final minutes of the game.

He gave a doubtful explanation for his absence.

The credibility of the witness's testimony is doubtful.

She approached the unfamiliar machine doubtful of how to operate it.

The coach had doubts about the player's doubtful commitment to the team.

He walked doubtful towards the edge of the cliff.

The team's chances of winning the match without their star player are doubtful.

The authenticity of the ancient artifact found in the excavation site is doubtful and requires further analysis.

The company's doubtful financial statements triggered an investigation by the authorities.

The archaeologists discovered a doubtful artifact that challenged previous theories about ancient civilizations.

He gave a doubtful answer when asked about his whereabouts last night.

The accuracy of the research findings is doubtful.

The weather forecast is doubtful for tomorrow's picnic.

The doctor's diagnosis was doubtful, so he recommended further tests.

The witness's doubtful testimony undermined the prosecution's case.

The child looked doubtful when presented with a plate of spinach for dinner.

Sarah was doubtful about the effectiveness of the new skincare product.

The patient's recovery was doubtful after such a serious injury.

The legitimacy of his business practices is doubtful.

The detective inspected the crime scene doubtful of finding any useful evidence.

The environmental impact assessment of the proposed construction project is doubtful, as it fails to address crucial ecological concerns.

The chances of finding a parking spot in this crowded area are doubtful.

The doctor gave a doubtful prognosis for the patient's recovery.

The historical accuracy of the novel is doubtful, as it contains many fictional elements.

The authenticity of the ancient artifact is doubtful due to conflicting historical records.

The weather forecast for tomorrow is doubtful, with conflicting reports from different sources.

The weather forecast for tomorrow is doubtful, so we should bring umbrellas just in case.

The company's financial situation remains doubtful despite recent improvements.

The team's performance in the last match was doubtful, and they need to improve their strategy.

The detective found some doubtful fingerprints at the crime scene.

She is doubtful about the authenticity of the antique necklace.

The quality of the product is doubtful; it broke after just a few uses.

The weather forecast is doubtful for our outdoor picnic.

The detective had a doubtful expression on his face as he listened to the suspect's alibi.

The patient's condition is still doubtful, and further tests are needed for a proper diagnosis.

The new employee was doubtful about implementing the proposed changes to the company's workflow.

The student's doubtful excuse for missing class was met with skepticism by the teacher.

She spoke doubtful about the success of their business venture.

He gave a doubtful glance at the weather forecast before deciding to go for a picnic.