Sentence examples for Grave error from inspiring English sources

This is a grave error.

"You've made a grave error.

This was a tragic and grave error.

This was a grave error of judgment.

This could prove a grave error.

"It's a grave error," not to tell them, Weiss said.

But the opposition has also made a grave error.

"This was a grave error of judgment," he said.

The kitchen was also capable of grave error.

So is the NHS making a grave error in supporting this ancient treatment?

The socialist regional leader in Andalucia, José Antonio Griñán, called the change "a grave error".