Leading the enemy against his own people is a pretty severe breach of military etiquette.

Disregarding the speaker's instructions is considered a severe breach of the rules of the Senate.

He said he would regard any approach by Young this week to be "a severe breach of ethical conduct."

For reasons both personal and political, "Homewood" led to a severe breach in relations between father and son.

This was so that the men would not see the women's ankles, which was considered a severe breach of etiquette at the time.

The workers were charged with severe breach of the peace and with sedition.

Catholics saw this as a severe breach of faith.

Not to do so would be a severe breach of etiquette.

Raynor was later released for a severe breach of club discipline.

The only severe breach since then became 2008 Mardakert skirmishes.