formidably 1. In a formidable manner. 2. In a manner to impress fear. 3. Causing fear or respect for something or someone as a result of being impressive, powerful, or difficult. Found on http://www.wordinfo.info/words/index/info/view_unit/3971/
adverb in a formidable manner; `the constant risk that attends the exchanges of human beings formidably armed` Found on https://www.encyclo.co.uk/local/20974