The most common and most likely answer to this crossword clue is the 6 plus 9 letter word FOURTH DIMENSION
I've seen this crossword clue in The Guardian
F
O
U
R
T
H
D
I
M
E
N
S
I
O
N
More clues leading to the result FOURTH DIMENSION
- Time to run demo and finish out of sequence
- Time of month one is under strain
- I found horns struggling with time? Yes, time
- Hum renditions of waltzes in time?
- Possibly time to finish messing about with our crossword, finally — staff should be locked up!
- Boundary hostility brought about hard, gloomy time
- Before working hours, find time to make time?
- You can’t enter this time
- Time is possibly no Hinduism forte!
- Time of nourishment I’d arranged
Buddy explains!
The straight part
We know that "Possibly time/Possibly time" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case possibly time/possibly time = fourth dimension.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.