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Shocking debts faced by, say, Sir Elton once (9)

Ross

I believe the answer is:

egregious

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

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(Other definitions for egregious that I've seen before include "Flagrant; appalling" , "Outstandingly villainous" , "Intolerable" , "Outstandingly bad" , "Extraordinary" .)

I've seen this clue in The Independent.
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