Then there is the once influential Amiri Baraka, formerly a formidable literary talent whose birth name was LeRoi Jones.
He is a formidable leader of the Pentagon, and he knows how focus and to get things done.
What is it that makes Beck such a formidable presence on the American political scene?
The rebels manning the checkpoint were from the Ahrar al-Sham brigade—a formidable rebel group known for its Islamist leanings.
All of which could make for a formidable general-election candidate, but creates roadblocks in a Republican primary race.
We are, however, attributing too much to this formidable power.
They were the most formidable weapons either ashore or afloat.
And here we are at once assailed by formidable difficulties.
The fortifications were indeed of a most formidable character.
She was a stout, kindly creature, and by no means a formidable dragon.
mid-15c., from Middle French formidable (15c.), from Latin formidabilis "causing fear, terrible," from formidare "to fear," from formido "fearfulness, fear, terror, dread." Related: Formidably.