unfazed
/ʌnˈfeɪzd/
adjective
- Not worried, surprised, or upset by something unexpected or difficult.
- My boss was unfazed by the news of the budget cut and immediately started planning solutions.
- Even when the power went out during her presentation, she remained unfazed and continued talking.
- The toddler was unfazed by the loud thunder and just kept playing with his blocks.