On that legal ground, Tilden gravely undermined his own position.

But they did claim that they already possessed information that would "gravely undermine the credibility" of the alleged victim, to the annoyance of prosecutors.

If these conditions are not followed, Lamer said, the doctrine would "gravely undermine" section 11(d).

Such acts of literary terrorism do not pose unconscionable threats to Mr. Rushdie's life alone, but gravely undermine the dignity and the health of an international intellectual community.

That inflexibility, Mr. Turner added, "has served to gravely undermine the credibility of the Pentagon's investigations."

That information won't disarm Saddam Hussein, but it must gravely undermine his confidence if he has to suppose the U.S. has it.

Mr. Fuhrman is the former detective whose perjured testimony about his use of racial slurs gravely undermined the prosecution in the O. J. Simpson murder trial.

This action would gravely undermine our efforts to employ Veterans.

EU agricultural export subsidies gravely undermine food security elsewhere, and we have yet to assess the ecological and social impact of our fisheries agreements with developing countries.

They say Mr. Oxley's proposals gravely undermine protections for insurance customers.