Definitions
There is 1 meaning of the phrase
In League.
In League - as an adjective satellite
(usually followed by `with') united in effort as if in a league
Example: "They found out that some policemen were in league with the criminals"
Example Sentences
"The two companies are in league to develop a new product."
"The political parties are in league to form a coalition government."
"He suspected the referee of being in league with the opposing team."
"The criminals were in league with corrupt officials."
"They formed an alliance and went in league against their common enemy."