diabolically
🇺🇸
/ˌdaɪəˈbɑːlɪkli/
🇬🇧
/ˌdaɪəˈbɒlɪkli/
in a very evil or wicked way
The villain diabolically laughed as he revealed his sinister plan.
악당은 그의 사악한 계획을 드러내며 악마처럼 웃었다.