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Definition of antitrust

antitrust

/ˌæn.tiˈtrʌst/
an · ti · trust

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antitrust Lexical Profile

antitrust Game Scores & Validity

• adjective

1

Relating to legislation, policies, or legal actions designed to prevent or regulate corporate monopolies, cartels, and unfair business practices in order to promote fair market competition.

Example

"Federal regulators launched an antitrust investigation into the proposed merger between the two telecommunications giants."

Antonyms
View all antonyms for antitrust

Word Nuance & Usage

Used almost exclusively before a noun (attributively), as in 'antitrust laws' or 'antitrust litigation'. In British and European legal contexts, the equivalent concept is typically referred to as 'competition law' rather than 'antitrust'.

• Rhymes for antitrust

Word Origin & Etymology

Coined in late 19th-century American English from 'anti-' and 'trust' (in the specific sense of a large corporate combination or cartel), popularized by the passage of the Sherman Antitrust Act of 1890.

Cite this Entry


Wordmom. (2026). Definition of Antitrust. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/antitrust
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