Active old criminal's hedonistic life (5,4)

I believe the answer is:

dolce vita

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'hedonistic life' is the definition.
The definition suggests a singular noun which matches the answer.

'active old criminal's' is the wordplay.
'criminal's' indicates an anagram (I've seen 'criminal' mean this).
'active'+'old'='activeold'
'activeold' is an anagram of 'DOLCE VITA'.

Can you help me to learn more?

(Other definitions for dolce vita that I've seen before include "Hedonistic existence" , "Life of luxury (Italian)" , "good times" .)

I've seen this clue in The Guardian.

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