The most common and most likely answer to this crossword clue is the 10 letter word ROMANESQUE
I've seen this crossword clue in The Times
R
O
M
A
N
E
S
Q
U
E
More clues leading to the result ROMANESQUE
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The straight part
We know that "style" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case style = romanesque.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 ROMANESQUE mean?
ROMANESQUE adjective- Somewhat resembling the Roman; applied sometimes to the debased style of the later Roman Empire, but especially to the more developed art and architecture prevailing from the 8th century to the 12th.