The most common and most likely answer to this crossword clue is the 10 letter word DEPLORABLE
I've seen this crossword clue in The Guardian
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More clues leading to the result DEPLORABLE
Buddy explains!
The straight part
We know that "Scandalous" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case scandalous = deplorable.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 DEPLORABLE mean?
DEPLORABLE noun- A person or thing that is to be deplored.
- (US politics) A Trumpist conservative, in reference to a 2016 speech by Hillary Clinton calling half of Donald Trump's supporters a "basket of deplorables".
- Deserving strong condemnation; shockingly bad, wretched.
- Lamentable, to be felt sorrow for, worthy of compassion.