The most common and most likely answer to this crossword clue is the 9 letter word DEBAUCHED
I've seen this crossword clue in Financial Times
D
E
B
A
U
C
H
E
D
More clues leading to the result DEBAUCHED
Buddy explains!
The straight part
We know that "Abandoned" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case abandoned = debauched.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 DEBAUCHED mean?
DEBAUCHED verb- To morally corrupt (someone); to seduce.
- To debase (something); to lower the value of (something).
- To indulge in revelry.
- Indulging in or characterised by sensual pleasures to a degree perceived to be morally harmful; corrupted; immoral; self-indulgent.