collusion

noun

col·​lu·​sion kə-ˈlü-zhən How to pronounce collusion (audio)
Synonyms of collusionnext
: secret agreement or cooperation especially for an illegal or deceitful purpose
acting in collusion with the enemy
collusive adjective
collusively adverb

Examples of collusion in a Sentence

The company was acting in collusion with manufacturers to inflate prices. there was collusion between the two companies to fix prices
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
On April 28, Jordan went a step further, issuing letters accusing Burger, the Environmental Law Institute and Sher Edling of bias, conspiracy and collusion. Abrahm Lustgarten, ProPublica, 2 May 2026 The ultimate objective of such horizontal collusion is to make the ALNG the sole European buyer — a monopsony, in effect — collectively exercising market power among competitors to reduce licensing payments. Ike Brannon, Fortune, 29 Apr. 2026 Five officers with the Penn Hills Police Department filed a civil lawsuit against the township and several of its leaders, alleging corruption and collusion. Jennifer Borrasso, CBS News, 21 Apr. 2026 The Nobel Peace Prize laureate is serving a sentence of 13 years and nine months on charges including collusion against national security and propaganda against Iran’s government. Yarden Segev, NBC news, 16 Apr. 2026 See All Example Sentences for collusion

Word History

Etymology

Middle English collusioun, borrowed from Anglo-French & Latin; Anglo-French collusion, borrowed from Latin collūsiōn-, collūsiō, from collūdere "to play (with), make sport, collude" + -tiōn-, -tiō, suffix of verbal action

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of collusion was in the 14th century

Browse Nearby Words

Cite this Entry

“Collusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/collusion. Accessed 5 May. 2026.

Kids Definition

collusion

noun
col·​lu·​sion kə-ˈlü-zhən How to pronounce collusion (audio)
: secret agreement or cooperation for an illegal or dishonest purpose
collusive adjective

Legal Definition

collusion

noun
col·​lu·​sion kə-ˈlü-zhən How to pronounce collusion (audio)
: the act or an instance of colluding
collusive adjective

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