: 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
The deal will need the approval not just of antitrust regulators but also such bodies as the Surface Transportation Board.
—
Chris Isidore, CNN Money, 29 July 2025
Those courts have reached conflicting decisions, with some finding eligibility rules are not only commercial in nature but are problematic under the microscope of antitrust scrutiny.
—Michael McCann, Sportico.com, 27 July 2025
In the end, antitrust regulators blocked both deals, memorably assisted by internal squabbles between Anthem and Cigna.
—Liz Hoffman, semafor.com, 24 July 2025
This change results from a significant decision about mobile apps in an ongoing antitrust case.
—Sara Smith, Variety, 21 July 2025
See All Example Sentences for antitrust
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Chris Isidore, CNN Money, 29 July 2025
Those courts have reached conflicting decisions, with some finding eligibility rules are not only commercial in nature but are problematic under the microscope of antitrust scrutiny.
—Michael McCann, Sportico.com, 27 July 2025
In the end, antitrust regulators blocked both deals, memorably assisted by internal squabbles between Anthem and Cigna.
—Liz Hoffman, semafor.com, 24 July 2025
This change results from a significant decision about mobile apps in an ongoing antitrust case.
—Sara Smith, Variety, 21 July 2025
See All Example Sentences for antitrust
Cite this Entry
“Antitrust.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antitrust. Accessed 2 Aug. 2025.
Copy CitationLegal Definition
antitrust
adjective
an·ti·trust
ˌan-tē-ˈtrəst, ˌan-ˌtī- 
: 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
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