Lovely fuss by half-hearted mob (8)

I believe the answer is:

adorable

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'lovely' is the definition.
(synonyms)

'fuss by half-hearted mob' is the wordplay.
I cannot really see how this works, but
'fuss' could be 'ado' (synonyms) and 'ado' is found within the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for adorable that I've seen before include "Winsome" , "Lovely and attractive" , "Broad lea (anag.)" , "Inspiring great affection" , "Cute and cuddly?" .)

I've seen this clue in The Times.

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