American English

Definition of vastly adverb from the Oxford Advanced American Dictionary

 

vastly

 adverb
adverb
NAmE//ˈvæstli//
 
 
jump to other results
very much I'm a vastly different person now. The quality of the training has vastly improved. This candidate is vastly more experienced than the others.
See the Oxford Advanced Learner's Dictionary entry: vastly