Definition Of formidable
inspiring fear or respect through being impressively large, powerful, intense, or capable.
a formidable opponent
Example Of formidable
A formidable array of armour and troops roared through in a never ending stream.
Among a formidable list of opponents, the American Deena Kastor may be the most dangerous.
As for Johnson, the old Lion may be getting a bit long in the tooth but he is still a formidable opponent.
Bayern would look more formidable if they could get two of their most talented midfielders fully fit.
But among the educated middle classes in India the knowledge of Shakespeare is formidably good, alarming really, because you find people who know the text as well as you do.