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antitruster

American  
[an-tee-truhs-ter, an-tahy-] / ˌæn tiˈtrʌs tər, ˌæn taɪ- /

noun

Informal.

  1. a person who opposes business trusts and favors unrestrained competition among businesses.

Etymology

Origin of antitruster

First recorded in 1945–50; antitrust + -er 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.