The phrase "a fearsome fighter" is correct and usable in written English.
It can be used to describe someone who is very skilled or intimidating in combat or competition.
Example: "The warrior was known as a fearsome fighter, feared by all who faced him in battle."
Alternatives: "a formidable combatant" or "an intimidating warrior".
The painting prophesies that he will become a fearsome fighter.
He was known throughout Naguru as a great athlete — an excellent soccer player and a fearsome fighter.
In the end, Fritz, 27, a fearsome fighter, appeared to win out and will probably be on the opening-night roster Friday, when the Islanders visit the Devils.
NATO is like the Tyrannosaurus Rex -- a fearsome fighter wielding unmatchable hard power.
The outtakes showed Zarqawi not as a fearsome fighter but as a confused, bumbling fat boy in American sneakers and a black ninja costume who couldn't figure out how to operate a simple machine gun.
Blood Red Road is a cracking quest story, full of nail-gnawing action – the "red hot" that rises up in Saba, making her a truly fearsome fighter without a hint of the pouting catsuited super-heroine about her, thrills me as much as the lustful, unorthodox romance she enjoys with the ne'er-do-weel Jack.
And he did, all the way until he became the Boogeyman, the N.H.L.'s most fearsome fighter, a caricature of a hockey goon rising nearly 7 feet in his skates.
Featured opposite Shahrukh Khan, Kapoor played the role of Kaurwaki (a Kalingan princess) with whom Ashoka falls in love; she described the character as being "very complex... [a]t one point very feminine, at another an aggressive and fearsome fighter who could annihilate any enemy".
—The Japanese captured Earhart and used her Lockheed 10E Electra as a model for their fearsome fighter plane, the Zero.
And with each passing day, it looks a little more like the fearsome fighter jet it once was.
In a 2007 poll of players, Boogaard was voted the league's second-most fearsome fighter.
