The phrase "a force of character" is correct and usable in written English.
It can be used to describe someone who has a strong personality or moral strength, often in the context of overcoming challenges or influencing others.
Example: "Despite the difficulties she faced, her determination and resilience made her a force of character in the community."
Alternatives: "a strong personality" or "a person of strong will".
And today, with implementation of the new law fully in place, we are a stronger joint force, a more tolerant joint force, a force of more character and more honor, more in keeping with our own values.
Rosebery's secretary Thomas Gilmour noted: "She is thoroughly genuine and very tender and devoted to Lord Rosebery, it is easy to see that she is very proud of him, and she is a woman of considerable force of character and great energy, she may prove to be a powerful ally in his political career".
For a philosopher to do this required considerable force of character, and a certain amount of exaggeration and simplification, as well as self-confidence and persistence.
It's in exploring these unknown territories and facing the headwind of startup challenges that it becomes clear that the startup is merely a force of catalytic professional and character growth.
Brundage cast a blank ballot in the vote which selected the Irishman, considering him an intellectual lightweight without the force of character needed to hold the Olympic movement together.
The 6-foot-7 giant is, at only 26, held together by sheer force of character (and maybe a bit of surgery, too).
Although hardly a gentle man, Maillard helped suppress by force of character the mob's worst instincts; he rescued the hôtels quartermaster, the Abbé Lefèvre, who had been strung up on a lamppost for trying to safeguard its stores.
Stretching forth the official staff in his left hand, he laid his right upon the shoulder of a young woman, whom he thus drew forward until, on the threshold of the prison-door, she repelled him, by an action marked with natural dignity and force of character, and stepped into the open air, as if by her own free-will.
