Here is an example sentence:
The large man was a fearsome spectacle, as he was carrying an axe.
Or
The tiger was a fearsome beast because it was getting ready to pounce.
he was very fearsome .his eyes made it more worse.
The triceratops was in a ferocious fight with the fearsome Tyrannosaurus Rex.
The fearsome wolves threatened the farmer's livestock.
Working for an irascible boss can be very difficult indeed.
the verb is can be
The many-headed hydra is a fearsome creature.
He could tell that it was a fearsome predor by its large teeth and claws and the ease with which it had killed a full grown antelope.
A word created by Lewis Carroll in "Jabberwocky" (Through the Looking Glass, 1872), it has no precise definition. Some suggest it means "fearsome" as in "manx-like".
As titanic means enormous, you could say... 'The fearsome dinosaur was titanic and scary.'
Fearsome means frightening
Fearsome is an adjective. It describes a noun or pronoun that causes fear--a fearsome noise.
The correct spelling is "fearsome."