Crossword Genius

Doubly outstanding damage? (6)

Ross

I believe the answer is:

deface

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'damage?' is the definition.
(I've seen this in another clue)

'doubly outstanding' is the wordplay.
'doubly' becomes 'def' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'outstanding' becomes 'ace' (I've seen this before).
'def'+'ace'='DEFACE'

Can you help me to learn more?

(Other definitions for deface that I've seen before include "ruin" , "blemish" , "Deliberately spoil the appearance of something" , "Spoil or damage the surface of" , "Wantonly spoil the look of" .)

I've seen this clue in The Sun.
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