English Reference

Word

antitrust

Phoneticsan·titrust

US/ˌæntaɪˈtɹəst/

UK/ˌæntɪtɹˈʌst/

Definition

adj. relating to laws that stop companies from becoming too powerful or controlling a market. You use this word when talking about business rules and fair competition.

adj. relating to legislation or legal actions designed to prevent the formation of monopolies and promote fair competition in the marketplace. Typically used attributively before nouns such as 'law', 'policy', or 'regulation'.

Examples

“The government passed a new antitrust law.”

“The agency launched an antitrust investigation into the tech giant's recent merger.”

“Critics argued that the company's aggressive pricing strategy violated antitrust principles by effectively squeezing out smaller competitors from the digital marketplace.”

Examples

simple

“The government passed a new antitrust law.”

contextual

“The agency launched an antitrust investigation into the tech giant's recent merger.”

complex

“Critics argued that the company's aggressive pricing strategy violated antitrust principles by effectively squeezing out smaller competitors from the digital marketplace.”

Usage

Primarily used as an attributive adjective modifying nouns related to law, policy, or investigation.

Real-World Examples

“Alphabet’s Google has escaped a breakup of its advertising technology business, marking the third time in recent years that United States antitrust enforcers have tried to force a Big Tech breakup and lost.”
Al Jazeera · 2 Sept 2026
“The US Department of Justice announced that its antitrust division was expanding its investigation of beef prices to include eight of the country’s largest grocers.”
The Guardian · 2 Sept 2026

Etymology

From anti- + trust.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domain

Law

This entry

Level
C1 · Advanced
Frequency
Frequent
Updated

Scan code

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English Reference