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Synonyms

Cosa Nostra

American  
[koh-zuh nohs-truh] / ˈkoʊ zə ˈnoʊs trə /

noun

  1. a secret association engaged in organized crime in the U.S., modeled after and affiliated with the Mafia.


Cosa Nostra British  
/ ˈkəʊsə ˈnɒstrə /

noun

  1. the branch of the Mafia that operates in the US

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Cosa Nostra

1960–65; < Italian: literally, our affair

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Police say their latest investigation follows some of the Cosa Nostra money trail.

From BBC May 28, 2026

He had persuaded the F.B.I. to stop using the terms Mafia and Cosa Nostra in its news releases.

From New York Times May 30, 2024

Former FBI Director James Comey described his first meeting with Trump, in which he demanded loyalty, as feeling “like Sammy the Bull’s Cosa Nostra induction ceremony.”

From Slate Apr. 30, 2024

Prosecutors say Messina Denaro was one of the leading figures in Cosa Nostra but preferred to remain in his own region and was not the "boss of bosses" like the late Salvatore "Toto" Riina.

From Reuters Jan. 18, 2023

Italy’s national anti-Mafia prosecutor, Giovanni Melillo, said that finally putting Messina Denaro behind bars won’t change the strategy Cosa Nostra has followed for more than a decade.

From Seattle Times Jan. 17, 2023

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