in league


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in league (with someone)

In close, often secretive or conspiratorial cooperation with someone. It turned out that the business tycoon was in league with local law enforcement to have the investigation dropped. We've been in league with a company overseas who can produce the product for half the price.
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in league (with someone)

Fig. [of people] secretly cooperating, often to do something bad or illegal. The county sheriff is in league with criminals. The car thieves and some crooked police are in league to make money from stolen cars.
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in ˈleague (with somebody)

making secret plans with somebody: They accused him of being in league with the terrorists, which of course he denied.
See also: league