formidably

Meanings

1. 1
   adv

   in a formidable manner

   the constant risk that attends the exchanges of human beings formidably armed

2. 2
   adv

   In a formidable manner.

   The black-muzzled, tawny dog, a glimpse of which was seen in the chapter which first introduced its mistress to the reader, here gave tongue in the hall, amidst whose hollow space the deep bark resounded formidably.

Etymology

From formidable + -ly.