Crossword Genius

Corrupted uni finisher indeed (8)

Ross

I believe the answer is:

degraded

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'corrupted uni' is the definition.
The definition and answer can be both related to change as well as being past participle verbs.
Maybe they are linked in a way I don't understand?

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for degraded that I've seen before include "Reduced in worth" , "Lowered in quality" , "Disgraced, lowered in rank" , "Sordid" , "Humiliated" .)

I've seen this clue in the Sydney Morning Herald.
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