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trustbuster

American  
[truhst-buhs-ter] / ˈtrʌstˌbʌs tər /

noun

  1. a federal official who seeks to dissolve business trusts, especially through vigorous application of antitrust regulations.


trustbuster British  
/ ˈtrʌstˌbʌstə /

noun

  1. informal a person who seeks the dissolution of corporate trusts, esp a federal official who prosecutes trusts under the antitrust laws

"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

Other Word Forms

Etymology

Origin of trustbuster

An Americanism dating back to 1900–05; trust + buster

Vocabulary lists containing trustbuster

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:

Nominated by President Theodore Roosevelt in 1905, Landis was a Republican trustbuster in Roosevelt’s mold.

From Washington Post Apr. 9, 2022

Europe has led the charge with antitrust investigations and Margrethe Vestager, the region’s top trustbuster, recently vowed to take a harder line on the companies.

From New York Times Jul. 29, 2020

Teddy Roosevelt, the trustbuster himself, was also a eugenicist, an inconvenient fact left out by Wu.

From Salon Jan. 8, 2019

Some even hoped he might be a Teddy Roosevelt–style trustbuster.

From Slate Jan. 13, 2017

On the other side, one top-ranking federal trustbuster, not mentioning IBM by name, publicly complained about being "drowned in a sea of paper."

From Time Magazine Archive

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