The most common and most likely answer to this crossword clue is the 6 letter word NICETY
I've seen this crossword clue in Independent
N
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Y
More clues leading to the result NICETY
- Naomi, Catherine and Tracy are disheartened by subtlety
- Detail result of vocal exchange in Sunderland, say?
- Scottish one engaging detective showing rise in distinction
- Degree of precision seen in cornice typically
- Fine quality diamonds worn with shirt in New York
- Fine point of Germanic etymology
- A delicacy from somewhere in France – extremely tasty
- 90/100? Drop the second number for precision
- Exact quality of number, the third to be changed
- Subtlety of seductive appeal engaging church in US city
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 NICETY mean?
NICETY noun- A small detail or distinction.
- Subtlety or precision of use.
- Delicacy of character or feeling usually from excessive refinement; fastidiousness
- That which is delicate to the taste.