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in league with

Idioms

Also, in cahoots with. In close cooperation or in partnership with, often secretly or in a conspiracy. For example, “For anybody on the road might be a robber, or in league with robbers” (Charles Dickens, A Tale of Two Cities, 1859), or We suspect that the mayor is in cahoots with the construction industry. The first term dates from the mid-1500s. The variant, a colloquialism dating from the early 1800s, may come from the French cahute, “a small hut or cabin,” and may allude to the close quarters in such a dwelling.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"They suspect them of being in league with the Malian army, which is why there were these reprisals," added the other man, dressed in a green boubou robe and traditional turban.

From Barron's • Nov. 10, 2025

Not once did I suspect him of being in league with the devil, though he did wear a lot of black.

From The Wall Street Journal • Oct. 18, 2025

Now, in league with a quirky, baseball-focused non-profit, he’s composed a suite for Jackie Robinson’s centennial.

From Los Angeles Times • Aug. 13, 2025

The endorsement puts Swift in league with other pop stars like Billie Eilish, Charli XCX, and Olivia Rodrigo, as well as a grip of elected Republicans.

From Salon • Sep. 20, 2024

Gebu must have khefts in league with him!

From "The Golden Goblet" by Eloise Jarvis McGraw

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