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

At the same time, Microsoft was tied up in one of the most consequential antitrust battles in American business history. — Jason Sisneros, Forbes.com, 21 July 2026

The stock has rallied 27% so far this year as Justice Department antitrust concerns eased and the market got excited about a strong concert slate. — Jim Cramer, CNBC, 21 July 2026

The act grants the NCAA absolute control over athlete eligibility through this antitrust shield, undermining federal and state law, specifically Title IX and who can compete in the women’s category. — Katie Uhlaender Outkick, FOXNews.com, 20 July 2026

In response to an antitrust lawsuit brought by 12 Democratic state attorneys general, a federal judge temporarily halted the blockbuster media deal. — Scott Nover, Washington Post, 20 July 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