impassibleness in a sentence

Definition

Impassibleness refers to the quality of being unable to show emotions or reactions, especially in stressful or critical situations.

Her impassibleness in the face of criticism was both admirable and unnerving.
The detective's impassibleness allowed him to remain calm during the intense interrogation.
Despite the chaos around her, she maintained an air of impassibleness that inspired confidence in her team.
His impassibleness during the presentation made it difficult for the audience to gauge his true feelings about the project.
The soldier's impassibleness under fire was a testament to his extensive training and discipline.