Concubine circulating with salon? That's not right (14)

I believe the answer is:

unconscionable

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'not right' is the definition.
Both the definition and answer are adjectives. Perhaps they are linked in a way I don't understand?

'concubine circulating with salon?' is the wordplay.
'circulating with' indicates anagramming the letters.
'concubine' with its letters anagrammed with 'salon' makes 'UNCONSCIONABLE'.

'that's' is the link.

Can you help me to learn more?

(Another definition for unconscionable that I've seen is " inordinate".)

I've seen this clue in The Times.

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