Main Entry: for·mi·da·ble

Pronunciation: \ˈfȯr-mə-də-bəl; fȯr-ˈmi-, fər-ˈmi-\

Function: adjective

Etymology: Middle English, from Latin formidabilis, from formidare to fear, from formido terror, bogey; akin to Greek mormō bogey

Date: 15th century

1 : causing fear, dread, or apprehension <a formidable prospect>
2 : having qualities that discourage approach or attack
3 : tending to inspire awe or wonder : impressive

— for·mi·da·bil·i·ty \ˌfȯr-mə-də-ˈbi-lə-tē; fȯr-ˌmi-, fər-ˌ\ noun

— for·mi·da·ble·ness \ˈfȯr-mə-də-bəl-nəs; fȯr-ˈmi-, fər-ˈ\ noun

— for·mi·da·bly \-blē\ adverb