Wretched Dicky spied and wired message (10)

I believe the answer is:

despicable

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'wretched' is the definition.
(I know that wretched can be written as despicable)

'dicky spied and wired message' is the wordplay.
'dicky' is an anagram indicator (dicky can mean ill or non-functioning).
'and' is a charade indicator (letters next to each other).
'wired message' becomes 'cable' (as in sending a cable to someone. I am not sure about the 'wired' bit.).
'spied' anagrammed gives 'despi'.
'despi'+'cable'='DESPICABLE'

Can you help me to learn more?

(Other definitions for despicable that I've seen before include "Mean" , "rotten" , "bum" , "Vile" .)

I've seen this clue in The Times.

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