The most common and most likely answer to this crossword clue is the 9 letter word HOME-MADE
I've seen this crossword clue in The Guardian
H
O
M
E
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M
A
D
E
More clues leading to the result HOME-MADE
Buddy explains!
The straight part
We know that "crude in style" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case crude in style = home-made.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 HOME-MADE mean?
HOME-MADE adjective- Made at home.
- Made by oneself.
- In a simple style as if made at home.