Golden-tongued culpability (5)

I believe the answer is:

guilt

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'culpability' is the definition.
(someone culpable for something is guilty of it)

I cannot understand how the rest of the clue works.

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(Other definitions for guilt that I've seen before include "State of having committed offence" , "Bad conscience" , "uncomfortable feeling" , "The fact of having done wrong" , "Responsibility for criminal offence" .)

I've seen this clue in the Sydney Morning Herald.

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