doubtfulness

her doubtfulness about the project led to delays.

his doubtfulness was evident during the presentation.

there is a sense of doubtfulness in her voice.

despite his doubtfulness, he decided to proceed.

her doubtfulness about the results was justified.

the team's doubtfulness affected their performance.

he expressed his doubtfulness regarding the solution.

her doubtfulness about the decision was shared by others.

there was a lingering doubtfulness in the air.

his doubtfulness often leads to thorough investigations.