"undeniable advantage" is correct and usable in written English.
You can use it when you want to describe something that has a clear and indisputable benefit or advantage. For example: "The company's reputation for reliability gives it an undeniable advantage in the competitive market."
As the pitch turned to mud in the second half, their studs gave the Germans an undeniable advantage.
"Plus, there's an undeniable advantage in owning a country home to use as an escape from city life, or even for a few weeks' vacation," she adds.
The chamber music world is a cozy one, a circumstance that has drawbacks but also the undeniable advantage of allowing talented ensembles to make their way swiftly to the top.
And while that may mean the occasional airplane or barking dog interfering with the phonics, it does have one undeniable advantage over an indoor production: tickets will be free.
Massimo Guarini: I think Sony has an undeniable advantage, and not for the hardware or the technical specs of the console itself, but for the way it managed to establish meaningful relationships with new creators and new development studios.
In a recent decision by the court of appeal in relation to a libel case brought by Peter Cruddas, a former Tory party treasurer, against the Sunday Times, a judge pointed out that: "The one undeniable advantage which donors in the Leader's Group have is that they can express their views directly to the prime minister or to other senior ministers.
E-books had undeniable advantages for publishers.
Yet, as a gift, wine has undeniable advantages.
The airline, however, does have undeniable advantages over competitors, including lower labor costs.
Beyond the push for even better representation next time round, there's also undeniable advantages in a more diverse parliament in the here and now.
Anathema to environmentalists because it creates so much pollution, coal still has the undeniable advantages of being widely available and easy to ship and burn.
