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Synonyms

mobster

American  
[mob-ster] / ˈmɒb stər /

noun

  1. a member of a criminal mob.


mobster British  
/ ˈmɒbstə /

noun

  1. a US slang word for gangster

"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 mobster

1915–20, mob 1 (in the sense “a member of a criminal gang”)+ -ster

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.

Two of his most heralded prosecutions involved New York mobster John Gotti and General Manuel Noriega of Panama.

From Barron's • Mar. 21, 2026

As one former associate tells Springs Toledo about the Boston mobster: “I can’t talk about Joe. He wouldn’t want me to.”

From The Wall Street Journal • Jan. 9, 2026

In Get Shorty, Hackman starred alongside Travolta, who plays a Miami mobster sent to collect a debt.

From BBC • Mar. 1, 2025

“They are very much treating this matter like a mobster case ... and articulating various roles that different people played in supporting the conspiracy,” said Louis Shapiro, who defends clients in federal criminal proceedings.

From Los Angeles Times • Sep. 27, 2024

He wore a massive velour tracksuit with gold chains around his neck and greased-back hair, so he looked like a thirty-foot-tall mobster - if mobsters had dragon feet and burnt-orange skin.

From "Blood of Olympus" by Rick Riordan