The most common and most likely answer to this crossword clue is the 3 plus 2 plus 5 letter word OUT OF SORTS
I've seen this crossword clue in The Daily Telegraph
O
U
T
O
F
S
O
R
T
S
More clues leading to the result OUT OF SORTS
- A bit unwell without fixes
- Ill at ease, having no more classes?
- Not well away from classes
- Irritable, having no more classes
- Not feeling well, with no more anagrams to do?
- Off-colour anagrams emerge thus
- Not feeling good, having no more classes
- Peevish types no longer available!
- Under the weather, having no more classes?
- A bit sick of having exhausted classes?
Buddy explains!
The straight part
We know that "Not feeling good" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case not feeling good = out of sorts.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.