antitrust

adjective

an·​ti·​trust ˌan-tē-ˈtrəst How to pronounce antitrust (audio) ˌan-ˌtī- How to pronounce antitrust (audio)
: of, relating to, or being legislation against or opposition to trusts or combinations
specifically : consisting of laws to protect trade and commerce from unlawful restraints and monopolies or unfair business practices

Examples of antitrust in a Sentence

Recent Examples on the Web
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The three-week trial did not address antitrust claims alleged by Musk and harassment counterclaims filed by Altman that are still pending. — Bloomberg, Mercury News, 7 July 2026 The case claims Disney violated federal antitrust law and various state antitrust and consumer protection laws. — Kurt Knutsson, FOXNews.com, 4 July 2026 The administration’s latest move continues an aggressive antitrust enforcement campaign focused on consumer prices. — Kaelan Deese, The Washington Examiner, 3 July 2026 The Justice Department and the states also outlined actions the companies will need to take, including adopting antitrust compliance programs and banning communicating with competitors on pricing and bidding strategies. — Wyatte Grantham-Philips, Fortune, 2 July 2026 See All Example Sentences for antitrust

Word History

First Known Use

1888, in the meaning defined above

Time Traveler
The first known use of antitrust was in 1888

Rhymes for antitrust

See All Rhymes for antitrust

Browse Nearby Words

antitropy
antitrust
antitruster
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Cite this Entry

“Antitrust.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antitrust. Accessed 9 Jul. 2026.

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Legal Definition

antitrust

adjective
an·​ti·​trust ˌan-tē-ˈtrəst, ˌan-ˌtī- How to pronounce antitrust (audio)
: of, relating to, or being legislation against or opposition to business trusts or combinations
specifically : consisting of laws to protect trade and commerce from unlawful restraints and monopolies or unfair business practices see also Clayton Antitrust Act and Sherman Antitrust Act

More from Merriam-Webster on antitrust

Nglish: Translation of antitrust for Spanish Speakers

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