Most tragic perhaps, Dominic Cummings' virtuous parts (8)

I believe the answer is:

weepiest

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'most tragic' is the definition.
Both the answer and definition are superlative adjectives. Perhaps there's an association between them I don't understand?

'dominic cummings' virtuous parts' is the wordplay.
I cannot quite understand how this works, but
'cummings'' could be 'ee' (poet EE Cummings) and 'ee' is found in the answer.
This explanation may well be incorrect...

'perhaps' is the link.

Can you help me to learn more?

I've seen this clue in The Independent.

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