Translation of "unchallenged" into Spanish

It also plays into the hands of Saddam Hussein who has remained unchallenged for the past thirty years.

También juegan a favor de Saddam Hussein que permanece incontestado desde hace treinta años.

Little more than a decade ago, people spoke of the end of history, of the final, unchallengeable triumph of free markets and democracy.

Hace poco más de una década, la gente hablaba del fin de la historia, del triunfo definitivo e indisputable del libre mercado y la democracia.

On this basis, the sporting philosophy which developed was thus strong and clearly unchallenged.

En este contexto, se ha ido desarrollando una ética deportiva sólida y, evidentemente, indiscutible.