"undeniable role" is a correct and usable phrase in written English.
It can be used to describe the significant or important role that something or someone plays in a situation, which cannot be denied or disputed. Here is an example sentence: "Education plays an undeniable role in shaping a person's future success."
This "expected utility" plays an undeniable role in how we make decisions.
Cocaine has an undeniable role in Colombian history and society, but it's not the whole story.
Herein, we demonstrate that the thickness has an undeniable role in the gas sensing response of the resulting material.
The surveyors' undeniable role in hastening removal of Indians from their lands can be acknowledged but played down.
Or consider the risky covert missions that will always define the two presidencies, and the undeniable role of luck in shaping a president's image.
"This display is intended to acknowledge the undeniable role that the Ten Commandments and Bill of Rights have played in developing the American legal tradition," said Mr. Robinson, a Republican.
As the second largest global market in educational spending, Europe has an undeniable potential role in the development of the edtech market.
The controversy unfortunately obscures the larger point, which should be undeniable: the central role of this backlash in the rise of the modern conservative movement.
It saved the Assad regime from defeat, holding off the spectre of a regime change, and secured Russia an undeniable and influential role in the geopolitics of the Middle East.
And unlike in sports, where physical size often plays an undeniable, difficult-to-circumvent role in your eventual success, in school a physical disadvantage can turn into an academic advantage: children may learn to compete where they can succeed, where their persistence and attention can accomplish what their physical size may not.
While I was able to see the power and undeniable importance of the role the CIO holds, it left me convinced that the increasing amount of data being funneled into our world's most sophisticated organizations is on a collision course with the other priorities of a CIO.
