VASTLY
Meaning of VASTLY in English
/ ˈvɑːstli; NAmE ˈvæstli/ adverb
very much :
I'm a vastly different person now.
The quality of the training has vastly improved.
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005