The most common and most likely answer to this crossword clue is the 7 letter word MESSIER
I've seen this crossword clue in The Guardian
M
E
S
S
I
E
R
More clues leading to the result MESSIER
- Compiler of heavenly catalogue that’s less orderly
- Eating area that is run in a more confused way
- Less organised, this writer in error turned up without Mike
- Mark in the Hall of Fame is not so neat
- Hockey player Mark not as tidy
- More chaotic when eggs, principally in M&S rise inordinately
- Comparatively untidy hockey star
Buddy explains!
The straight part
We know that "Compiler of heavenly catalogue/less orderly" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case compiler of heavenly catalogue/less orderly = messier.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 MESSIER mean?
MESSIER adjective- (of a place, situation, person, etc) In a disorderly state; chaotic; disorderly.
- (of a person) Prone to causing mess.
- (of a situation) Difficult or unpleasant to deal with.