trustbuster

[ truhst-buhs-ter ]

noun

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

trustbuster

/ ˈtrʌstˌbʌstə /

noun

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

Derived Forms

• ˈtrustˌbusting, noun

Word History and Origins

Origin of trustbuster¹

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

Example Sentences

One reason is that in going after Big Tech, trustbusters are going after some of the most popular companies in America.

From MIT Technology Review