Found 2 items, similar to formidably.
English → English (WordNet) Definition: formidably formidably adv : in a formidable manner; “the constant risk that attends the exchanges of human beings formidably armed”
English → English (gcide) Definition: Formidably Formidably \For"mi*da*bly\, adv. In a formidable manner. [1913 Webster]