unflurried
/ʌnˈflɜrid/
adjective
- Calm and composed, especially in a stressful situation; not agitated or flustered.
- Even during the fire drill, the teacher remained unflurried and guided everyone out safely.
- He gave an unflurried speech despite the hecklers in the audience.
- Her unflurried manner made her an excellent emergency room nurse.