scathingly
adverb
UK/ˈskeɪ.ðɪŋ.li/
US/ˈskeɪ.ðɪŋ.li/
Definitions of scathingly adverb
in a severely critical and unkind manner.
The critic scathingly reviewed the movie's script.
She scathingly criticized the proposal during the meeting, making team members uncomfortable.
He scathingly mocked his opponent's mistakes.