The most common and most likely answer to this crossword clue is the 7 letter word CRUDITY
I've seen this crossword clue in The Daily Telegraph
C
R
U
D
I
T
Y
Buddy explains!

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 CRUDITY mean?
CRUDITY noun- The state of being crude.
- A crude act or characteristic.
- Indigestion; undigested food in the stomach; badly-concocted humours.