The most important rules is considered to be the Omertà, the oath of silence.

The associate must prove himself to the family and take the oath of Omertà.

To a degree, mafiosi also impose omertà on the general population.

In doing so, however, he was violating the Mafia code of silence, known as omertà.

Omertà is no longer the rule, as it was when I was a judge 25 years ago.

The full length album Omertà was released in March 2012.

The extent of drug use was concealed by the sport's omertà, with disastrous consequences.

Within Mafia culture, breaking omertà is punishable by death.

Omertà is an extreme form of loyalty and solidarity in the face of authority.

Ruggiero allegedly murdered around 26 people and refused to break omertà when arrested.

Like the Mafia, The Times is losing its ethic of omertà.

You know, the whole omertà thing.

But that legitimate strategic consideration has morphed into a kind of Beltway omertà.

Unique in today's Mafia, the family has benefited greatly from members following the code of Omertà.

Luciano also stressed the importance of omertà, the oath of silence.

"There's an almost mafia-like omertà in the wine world, because there's never really been any outside scrutiny."

Omertà is a code of behaviour usually associated with Italian Mafias.

Technically, Bonanno kept the vow of omertà and answered no questions in government hearings.

A month later he decided to become a pentito, a state witness breaking omertà, or code of silence.

Omertà is a novel by Mario Puzo, published posthumously in 2000.

As a made man, he is bound by the Mafia code of Omertà and must serve loyally for life.

Bryant continued to flout the omertà.

They had created an atmosphere of omertà: through violence and intimidation they made sure that nobody dared to denounce them.

An inductee will be required to take the oath of Omertà, the mafia code of silence.

Omertà has complete invulnerability and superhuman strength.