imperturbable
/ˌɪmpɚˈtɜrbəbəl/
adjective
- Calm and not easily upset or worried, even in difficult situations.
- Even when the car broke down on the highway, my dad remained imperturbable.
- The imperturbable nurse handled the emergency room chaos with steady hands.
- Her imperturbable attitude made her an excellent negotiator in tense meetings.
Synonyms