A formidable challenge; a formidable opponent.
An example of formidable is a boxer having a match with the current title holder.
The formidable prospect of major surgery.
Origin of formidable
- Middle English from Old French from Latin formīdābilis from formīdāre to fear from formīdō fear
From American Heritage Dictionary of the English Language, 5th Edition
- From Middle French formidable, from Latin formīdābilis (“formidable, terrible”), from formīdō (“fear, dread”).