Which of the following describes an "Impassive" person?

• The required answer is - They remain calm and indifferent.

• Impassive (adjective)
English Meaning: Not showing or feeling any emotion.
Bangla Meaning: নির্বিকার; নিরাবেগ।

Example Sentence:
1. He remains utterly impassive when an entire audience is booing him behind his back.
2. She remained impassive as the officers informed her of her son's death.

Source:
1. Merriam-Webster.
2. Accessible Dictionary by Bangla Academy.