The most common and most likely answer to this crossword clue is the 9 letter word UNCERTAIN
I've seen this crossword clue in Financial Times
U
N
C
E
R
T
A
I
N
More clues leading to the result UNCERTAIN
- Dubious in nature, containing hint of confusion?
- Not confident in a truce, wavering after intervention by knight
- . Not sure a French church has central heating during wet weather
- Centaur moving home is in two minds
- Dodgy tune in car played
- Dodgy announcer tainted, to an extent
- Up in the air, nun and I react badly
- Nicer aunt tossed up in the air
- Indefinite truce in an engagement
- Slaughtering centaur popular? Not sure
Buddy explains!
The straight part
We know that "up in the air" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case up in the air = uncertain.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 UNCERTAIN mean?
UNCERTAIN noun- (with "the") Something uncertain.
- Not certain; unsure.
- Not known for certain; questionable.
- Not yet determined; undecided.
- Variable and subject to change.
- Fitful or unsteady.
- Unpredictable or capricious.