Meanings of terrible betrayal in English

In 1691 a terrible betrayal saw many of the key members of clan MacDonald massacred.

She would consent; she would rejoice, as if ten years and terrible betrayal had never separated them.

Although I unearthed a terrible betrayal too.

That was a terrible , terrible betrayal.

She turned to look at me, and her face was twisted out of shape by anger, grief and terrible betrayal.

It seemed to me that it would be a terrible betrayal, for my mother to do something I didn't know about.

In a statement this evening, the Cardinal said the victims of sexual abuse by the clergy had suffered a " terrible betrayal".

She feels as though she is committing a terrible betrayal as it slides to the floor, but she is not sure who she's betraying.

This latest effort, therealrudy.com, is a terrible betrayal of the informative and issue based journalism that made Brave New Films so bold, refreshing and necessary.