The most common and most likely answer to this crossword clue is the 6 letter word DISMAL
I've seen this crossword clue in The Guardian
D
I
S
M
A
L
More clues leading to the result DISMAL
- Part of screed is malicious, dreary
- Miserable face sergeant-major wears
- Girl with mini, short and dark
- Gloomy sergeant major in control
- Discouraging nudism, allocates clothes
- Gloomy little sergeant major with face put out
- Methodism allows drinking? Very disappointing
- Bleak philosophy embraced by youth in recession
- Gloomy sergeant major has face put out
- Some oddly stuffing face must be miserable
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 DISMAL mean?
DISMAL adjective- Disappointingly inadequate.
- Gloomy and bleak.
- Depressing.