Crossword Genius

Duster badly corroded (6)

Ross

I believe the answer is:

rusted

'corroded' is the definition.
('rust' can be a synonym of 'corrode')

'duster badly' is the wordplay.
'badly' is an anagram indicator (letters in the wrong order).
'duster' with letters rearranged gives 'RUSTED'.

(Other definitions for rusted that I've seen before include "Corroded" , "(Of iron) oxidised" .)

I've seen this clue in The Mirror.
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