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

Fair warning to possible takers—Rockefeller’s Standard Oil was broken up in 1911 via an antitrust crackdown. —Allie Garfinkle, Fortune, 4 Nov. 2025

Both companies believe traditional antitrust approval won’t be too difficult, given that the companies have little overlap, mostly in feminine care. —Rohan Goswami, semafor.com, 3 Nov. 2025

Racing co-owner Michael Jordan to sue NASCAR in federal court, alleging antitrust violations. —Jeff Gluck, New York Times, 3 Nov. 2025

In return, the WNBA would argue the decertification is a sham to facilitate antitrust litigation. —Michael McCann, Sportico.com, 31 Oct. 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