The most common and most likely answer to this crossword clue is the 7 letter word AMONGST
I've seen this crossword clue in The Guardian
A
M
O
N
G
S
T
More clues leading to the result AMONGST
- Within a day, ghost leaving house
- In the middle of a day golf starts to sound terrific
- Out of money — working in topless magazines with model
- In a day, gloriously, summer term starts
- In the middle of brief period beset by anxiety
- Surrounded by stress, welcoming doctor
- Surrounded by dreadful feeling about how one operates
- In the midst of uneasiness, gulping a short time
- Surrounded by stress, including short time
- In the midst of anxiety, a case for doctor
Buddy explains!

The straight part
We know that "Out of" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case out of = amongst.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 AMONGST mean?
AMONGST preposition- Denotes a mingling or intermixing with distinct or separable objects. See usage note at amidst.