ad. In a ferocious manner, particularly violent and aggressive.
ad. Intensely or extremely.
The Century Dictionary and Cyclopedia
In a fierce manner; fiercely; with ferocity or savage cruelty.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
ad. in a physically fierce manner
Word Usage
"And in two minutes, four seconds it was over: Louis attacked ferociously from the opening bell, knocking down Schmeling three times before the referee finally stopped it."