The most common and most likely answer to this crossword clue is the 9 letter word REPUGNANT
I've seen this crossword clue in The Times
R
E
P
U
G
N
A
N
T
More clues leading to the result REPUGNANT
- Disgusting ruling involving opener for Peterborough United
- Ruling about reactionary in court not to our liking!
- Abhorrent ruling to imprison reversed before magistrates
- Right to feed English dog bread that’s disgusting
- Being king, suppressing rising in turn is very unattractive
- Unacceptable ruling about backing up
- Distasteful ruling about turning up
- Disgusting dog adopted by extremely reclusive granny over time
- Nasty man leaving those left behind to protect dog
- Horrible theatre worker goes round waving gun
Buddy explains!

The straight part
We know that "Abhorrent" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case abhorrent = repugnant.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 REPUGNANT mean?
REPUGNANT adjective- Offensive or repulsive; arousing disgust or aversion.
- Opposed or in conflict.