The phrase "a fierce commitment" is correct and usable in written English.
It can be used to describe a strong and passionate dedication to a cause, task, or belief.
Example: "Her fierce commitment to environmental conservation inspired many in the community to take action."
Alternatives: "a strong dedication" or "an unwavering resolve".
His quiet, consistently thoughtful demeanor belied a fierce commitment to principle and a brilliant mind.
Asian students display a fierce commitment to education, a powerful work ethic and a strict sense of discipline.
She lived fearlessly, without cynicism or regret, embodying a fierce commitment to social justice and a loving compassion.
"Without a fierce commitment to the sharpest standards in operational and tactical excellence, we do not honor God".
Ring's prompt action typifies a fierce commitment among 40 full-time and 60 part-time staff at the Bristol project.
Something about the counseling experience kindled a fierce commitment to expanding opportunities for the poor in employment and health care.
As one might expect from a writer of fierce commitment to political and social justice, "Coming Home" quietly condemns the shameful policies of the South African government, which failed to confront the reality of AIDS or to offer the necessary drugs to its impoverished citizens as they became available, resulting in untold thousands of unnecessary deaths.
His friends, including Senator Edward M. Kennedy, an early mentor, view it as a sign of his fierce commitment to public service.
In the Harvard Business Review article "The Future of Talent is Potential", a "paradoxical blend of fierce commitment together with deep personal humility" is described as being necessary for success.
But I finished this book – a tale of a thousand thwarted schemes as well as of immense achievement – experiencing a renewed gratitude towards a remarkable man, without whose fierce commitment the modern world would have sounded and felt very different.
Acted with fierce commitment by a cast of four in an intimate space, the drama makes up in visceral punch what it lacks in originality (1 15).
