Crossword Genius

In league (6)

Ross

I believe the answer is:

allied

'in league' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for allied that I've seen before include "In league" , "Joined together for mutual support" , "Joined in friendship, treaty, etc" , "Joined together for a purpose" , "Joined to, combined with" .)

I've seen this clue in The Wall Street Journal and The Telegraph.
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