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 startup says Applied’s lawsuit is frivolous and filed its own antitrust lawsuit against Applied Systems in Delaware’s Chancery Court in December. —John Hyatt, Forbes.com, 30 Jan. 2026

Critics argue the measure primarily benefits Ticketmaster, which faces federal antitrust suits, by crippling resale competitors that provide cheaper alternatives for fans. —Cerys Davies, Los Angeles Times, 29 Jan. 2026

Those types of agreements are permitted in part by the settlement between the NCAA, power conferences and current and former D-I athletes represented by the House, Carter and Hubbard antitrust litigations. —Michael McCann, Sportico.com, 29 Jan. 2026

Perez, who is eligible for the PGA Tour Champions through career money, and Swafford were plaintiffs in the antitrust lawsuit filed against the tour. —Dallas Morning News, 28 Jan. 2026

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