Ready for a shake-up darling? (5)

I believe the answer is:

deary

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'darling?' is the definition.
(synonyms)

'ready for a shake-up' is the wordplay.
'ready' can be anagrammed to 'DEARY'.
But, I'm not clear how the anagram is indicated.

Can you help me to learn more?

(Other definitions for deary that I've seen before include "Ready (anag) -- pet" , "Love" .)

I've seen this clue in the Evening Standard.

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