Superficial cut in former Murdoch organisation (7)

I believe the answer is:

sketchy

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'superficial' is the definition.
(similar in meaning)

'cut in former murdoch organisation' is the wordplay.
'cut' becomes 'etch' (I've seen this before).
'in' indicates putting letters inside.
'former murdoch organisation' becomes 'sky' (I can't explain this - if you can you should believe this answer much more).
'etch' placed inside 'sky' is 'SKETCHY'.

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(Other definitions for sketchy that I've seen before include "Incomplete; rough" , "Deep cave; evidence of road wear" , "Vague" , "Imprecise" , "Cursory" .)

I've seen this clue in The Independent.

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