Which one is a synonym of the word 'Onerous'?

• The synonym of the word 'Onerous' is - Burdensome.

• Onerous (adjective)
- English Meaning: Needing great effort; causing trouble or worry.
- Bangla Meaning: কষ্টসাধ্য; গুরুভার: an onerous duty/task/responsibility

• Synonyms: Arduous (দু:সাধ্য), Difficult (কষ্টকর), Dard(কঠিন), Dough (শ্রমসাধ্য), Burdensome (বোঝাস্বরুপ)।

• Antonyms: Easy (সহজ), Effortless (বিনা প্রচেষ্টায়), Pleasant (সুখকর; মনোরম), Achievable (সহজে অর্জন করা যায় না এমন), Light (হালকা), Soft (নরম)।

• Example Sentence:
1. The new rules will place onerous responsibilities on employers.
2. The government imposed onerous taxes on imports.

• অন্যদিকে,
- Invigorating - বলবর্ধক/তেজোবর্ধক/পুষ্টিদায়ক

Source:
1. Accessible Dictionary by Bangla Academy.
2. Cambridge Dictionary.
3. Website Lecture.