In the stillness of night, calumny loses its power.
Here, the synonym of 'calumny' is -

• In the stillness of night, calumny loses its power.
- Here, the synonym of 'calumny' is - Defamation.

• Calumny (Noun)
English Meaning: A false statement about a person that is made to damage their reputation.
Bangla Meaning: কারো চরিত্র হননের জন্য প্রদত্ত মিথ্যা বিবৃতি; পরিবাদ; অভিশংসন।

Synonyms: Defamation (কুৎসা), False Accusation (মিথ্যা অপবাদ), Lie (মিথ্যা), Character Assassination, (চরিত্র হনন), Slander (অপবাদ)।

Antonyms: Praise (প্রশংসা), Compliment (স্তুতি), Tribute (শ্রদ্ধা), Approval, (অনুমোদন করা), Flattery (তোষামোদ করা)।

Example Sentence:
1. He accused the press of publishing vicious calumnies.
2. They uttered calumnies against him.

Source: Website Lecture.