antitrust

adjective

an·​ti·​trust

ˌan-tē-ˈtrəst, 

ˌan-ˌtī- 

: 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 European Commission opened an antitrust investigation into a deal that would split ownership of the Port of Barcelona’s largest container-handling terminal. —Glenn Taylor, Sourcing Journal, 15 Dec. 2025

Marar specializes in competition, innovation, and governance, and is an AI and antitrust fellow at the Innovators Network. —Sheryl Estrada, Fortune, 15 Dec. 2025

Through antitrust litigation and accompanying settlements, college athletes can now transfer without sitting out of sports for a period of time. —Michael McCann, Sportico.com, 15 Dec. 2025

The bloc has issued fines to X for violating content-moderation laws, and put Google under an antitrust investigation for its use of content to inform its AI models. —Leonie Kidd, CNBC, 14 Dec. 2025

Word History

First Known Use

1888, in the meaning defined above

Rhymes for antitrust

• overthrust
• readjust
• unitrust
• wanderlust
• adjust
• combust
• discussed
• disgust
• distrust
• entrust
• intrust
• mistrust

Legal 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