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

This decision may open the door for other solution providers to launch similar antitrust challenges. —David Chou, Forbes.com, 9 Sep. 2025

Shares of Apple jumped last week after a federal judge ruled in Alphabet's antitrust case that the company can continue making payments to preload Google Search onto the iPhone. —Pia Singh, CNBC, 9 Sep. 2025

For instance, Curt Flood’s historic case against Major League Baseball wasn’t sports law, but instead an antitrust case involving a baseball player. —Michael McCann, Sportico.com, 8 Sep. 2025

The president once again showed his contempt for the EU’s enforcement of its antitrust regulations, taking to Truth Social to express his frustrations. —Meghan Hall, Sourcing Journal, 8 Sep. 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