abominably
adverb
UK/əˈbɒm.ɪ.nə.bli/
US/əˈbɑː.mə.nə.bli/
Definitions of abominably adverb
in an extremely unpleasant or unacceptable manner
His performance in the meeting was abominably bad.
The service at this restaurant was abominably rude.
The plot and acting in this film were abominably awful.