The most common and most likely answer to this crossword clue is the 9 letter word DEBATABLE
I've seen this crossword clue in The Times
D
E
B
A
T
A
B
L
E
More clues leading to the result DEBATABLE
- Posh girl acquiring top-class place to eat? That’s a matter of opinion
- Dubious girl coming out with a roster
- Resting, when standing on furniture, is controversial
- Contentious society girl presently dining in Paris?
- DEBATABLE
- Dubious article between furniture items, face to face
- A furniture item backed against another is dubious
- It’s problematical when article is wedged between back-to-back items of furniture
- Not certain one piece of furniture turned up with another
- . Questionable move, a bed next to a counter
Buddy explains!

The straight part
We know that "Dubious" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dubious = debatable.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 DEBATABLE mean?
DEBATABLE noun- A topic that is open to debate.
- Open to debate; not fully proved or confirmed.
- Able to be debated; up for discussion.