How did this egregious breach occur?

"And," he added, hoping he wasn't about to commit an egregious breach of etiquette, "the hope is here."

That would be an egregious breach.

For Arilyn to identify herself to an elven tribe by only the sword she carried would be an egregious breach of protocol.

Worse, there is no indication that such an egregious breach of confidentiality would actually help welfare recipients get the kind of treatment they need.

This sentence sends a clear message of deterrence to anyone contemplating such an egregious breach of public trust.

Regardless of any supposed justification, I cannot see any possible rationale for such an egregious breach of international protocol.

The press baron's remark seems to imply that phone hacking, payments to police, and other egregious breaches of privacy had never happened.

To reveal what I had learned about the activities of a client would be an egregious breach of professional responsibility.

It was an egregious breach of duty owed to the client, RiverOaks.