The most common and most likely answer to this crossword clue is the 7 letter word SULLIED
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More clues leading to the result SULLIED
Buddy explains!

The straight part
We know that "depraved" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case depraved = sullied.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SULLIED mean?
SULLIED adjective- Defiled or tainted, soiled or stained.
- To soil or stain; to dirty.
- To corrupt or damage.
- (intransitive ) To become soiled or tarnished.