The most common and most likely answer to this crossword clue is the 4 plus 2 letter word LAID UP
I've seen this crossword clue in The Guardian
L
A
I
D
U
P
More clues leading to the result LAID UP
- In France, the dessert one threw up, being sick
- Bet on a horse that’s out of commission
- Face maybe being confined to bed?
- American wears top out of bed or stuck in it
- Ill stored
- Clue to dial home — with a bad back?
- Not well stored for future use
- Saved, but still confined to bed
- Ring, conceivably, as bedridden?
- Boy at college contracting a touch of influenza is confined to bed
Buddy explains!
The straight part
We know that "stuck in it" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case stuck in it = laid up.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.