14:I[5014,["/_next/static/chunks/11d1gk4m2o846.js","/_next/static/chunks/14mrh2-p_w84d.js","/_next/static/chunks/40y9lkvta2o_p.js"],"default"] 15:I[38392,["/_next/static/chunks/11d1gk4m2o846.js","/_next/static/chunks/14mrh2-p_w84d.js","/_next/static/chunks/40y9lkvta2o_p.js"],"PracticeCard"] 17:I[70570,["/_next/static/chunks/11d1gk4m2o846.js","/_next/static/chunks/14mrh2-p_w84d.js","/_next/static/chunks/40y9lkvta2o_p.js"],"ExamAppearanceBadge"] 16:T564,

Correct answer: Unrest.

• Turmoil: (noun)
- English meaning: a state of confusion, uncertainty, or disorder.
- Bangla meaning: গোলযোগ; হাঙ্গামা; গণ্ডগোল।

• Unrest (noun)
- English meaning: a state or condition of extreme confusion, agitation, or commotion.
- Bangla meaning: বিশেষত অস্থির অবস্থা; অস্থিরতা; উত্তেজনা; বিক্ষুব্ধতা।

Other options:
খ) Peace:
- English meaning: freedom from war and violence, especially when people live and work together happily without disagreements.
- Bangla meaning: শান্তি; শান্ত অবস্থা; প্রশান্তি; নির্জনতা।

ক) Melancholy:
- English meaning: a state of sadness : depression of spirits : dejection.
- Bangla meaning: বিষাদ; হতাশা; বিষাদপূর্ণ চিন্তারোগ।

গ) Obscure:
- English meaning: not clearly seen or easily distinguished: faint.
- Bangla meaning: অন্ধকারময়; গুপ্ত; অস্পষ্ট।

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