Anything but widespread agreement (7)

I believe the answer is:

compact

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'agreement' is the definition.
(compact can mean an agreement)

I cannot understand how the remainder of the clue works.

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(Other definitions for compact that I've seen before include "cosmetics case" , "Dense; formal contract" , "The powder-box is closely packed" , "Dense; treaty" , "An official agreement" .)

I've seen this clue in The Irish Independent, The Guardian and The Globe and Mail.

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