The phrase "an unswerving commitment to" is correct and can be used in written English.
It is used to describe someone's determination to do something, even when faced with obstacles. For example, "She demonstrated an unswerving commitment to breaking the world record, even when others doubted she could succeed."
He has an unswerving commitment to the artist".
Her sustaining force, however, is an unswerving commitment to art – her own, and that of others.
The sector also recognised the need to maintain an unswerving commitment to quality.
Despite the seeming weight of royal disapproval, Ernst has maintained an unswerving commitment to scientific principles in testing the claims of the practitioners whom he studied.
In the foreword, iconic black activist Angela Davis describes Shakur as a "compassionate human being with an unswerving commitment to justice".
Indeed, when one looks closely at each man's writings, it's clear that they shared an unswerving commitment to democracy, liberty and equality.
It is difficult to imagine an Englishman such as Thomas Hodgkin today: a marvellous mixture of unswerving commitment to humanity, deep scholarship, lacking any materialism.
What better way to mitigate their suffering than to declare his unswerving commitment to an independent, sovereign and geographically contiguous Palestinian state within one year?
Evans's unswerving commitment to a direct and unsentimental style, free of dramatic vantage points and romantic glints and shadows, was a commitment to an art that concealed its art.
Within the world of The Father of My Children, that poses a problem for Grégoire Canvel (Louis-Do de Lencquesaing), a producer who stakes his reputation on his unswerving commitment to serious filmmaking and now faces the collapse of everything he's worked for.
But sadly Mr van Pallandt's "unswerving commitment to developing the low cost market through implementing an ambitious growth strategy" proved a promise as empty as the Buzz boss's planes.
