imperturbableness

/ˌɪmpɚˈtɜrbəbəlnəs/
noun
  1. The quality of being imperturbable; calmness and steadiness under pressure.
    • His imperturbableness in the face of criticism earned him the respect of his colleagues.
    • The monk's imperturbableness was evident even when the temple bells rang loudly.
    • She admired her grandmother's imperturbableness during family arguments.
Antonyms
What does "imperturbableness" mean? | whatsthatwordmean | whatsthatwordmean