The American Heritage® Dictionary of the English Language, 4th Edition
adj. Opposing or intended to regulate business monopolies, such as trusts or cartels, especially in the interest of promoting competition: antitrust legislation.
adj. Opposed to or against the establishment or existence of trusts (monopolies), usually referring to legislation.
the GNU version of the Collaborative International Dictionary of English
adj. opposed to trusts, monopolies, or other large combinations of business or capital which threaten fair competition; designed to protect trade and commerce from unfair business practices; -- of laws and regulations.
The Century Dictionary and Cyclopedia
Opposed to the power or development of trusts, or of large combinations of capital.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. of laws and regulations; designed to protect trade and commerce from unfair business practices
Word Usage
"Hence this has to be addressed in antitrust law to some extent."