The phrase verb 'write off' means-

• The phrase verb 'write off' means- cancelling a debt.

• Write something off
English meaning: Cancel the record of a bad debt; acknowledge the loss of or failure to recover an asset.
Bangla Meaning: বাতিল করা; কোনোকিছুকে আর গণ্য বলে বিবেচনা না-করা।

Example: He urged the banks to write off debt owed by poorer countries.

Source: Accessible Dictionary by Bangla Academy and Oxford Learner's Dictionary.