11. Only if ethics were something unspeakable by us could law be unnatural, and therefore unchallengeable . 12. :The political authority of the armed forces, considerable even under normal conditions, now became unchallengeable . 13. In a time of cynicism about government, he has been unchallengeable as a man of honor and decency. 14. From the public's perspective, the budget conflict seems to rest on a number of unchallengeable economic truths. 15. American power may be unchallengeable for now, but using that power for pre-emption is optional and controversial. 16. This illustrated the region s limited political autonomy, which was underlined by the unchallengeable presence of the Russian military. 17. With his unchallengeable command authority, Caesar could remove any civil magistrate or military commander from office at his pleasure. 18. Now neither U . S . Steel nor the Yankees are the powerful, unchallengeable forces they were a generation ago. 19. In most cases, this is because of oft-repeated generalities that gradually acquire the stature of universal and unchallengeable truths. 20. These faded away after a few public protests, but Greenway's control over the provincial Liberal organization soon became unchallengeable .
