Crossword Genius

Covering article, rude about it (10)

Ross

I believe the answer is:

insulating

'covering' is the definition.

'article rude about it' is the wordplay.
'article' becomes 'a' (indefinite article).
'rude' becomes 'insulting'.
'about it' indicates putting letters inside.
'a' going into 'insulting' is 'INSULATING'.

I've seen this clue in The Telegraph.
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