The part of a sentence, 'steadfast will' is correct and can be used in written English.
You can use it to describe a decision or determination that is strong and unshakeable. For example: His steadfast will to never give up on his dreams kept him going.
Their voices, which Porterfield expertly elicits with a method derived from documentary filmmaking, bear the scars of experience, the remains of desire, the steadfast will to endure.
At least there's hockey, those who remain steadfast will cry out, as the Bruins sit atop the Northeast Division four games into the sport's young season, and could potentially return to the playoffs for the sixth time in a row.
They [will] be steadfast and will stand loyal, come what may".
His warmth and kindness and his steadfast loyalty will be remembered with gratitude and affection always.
"Our people are steadfast and will continue with all their power to defend our holy cities, Christian and Muslim places," he said.
"As we begin the transition from the shuttle programme to the commercial transportation of our crews and cargo, our ability to tackle big challenges remains steadfast and will ensure that Nasa reaches even more destinations farther in the Solar System".
LONDON, Nov. 25 — The defeat of John Howard, Australia's prime minister, in Saturday's election deprived President Bush of one of his most steadfast allies and will bring changes in Australia's foreign policy that will be felt in Washington.
And, he said, with steadfast determination, he will follow suit.
And if the union does not get the information, it is steadfast that it will not allow testing to begin.
Named "Steadfast Jazz", these will be potentially the biggest manoeuvres since the end of the cold war.
He was well known for his love of family, deep integrity and steadfast courage, and will be missed by all who knew and loved him deeply.
