The most common and most likely answer to this crossword clue is the 10 letter word SACRAMENTO
I've seen this crossword clue in Financial Times
S
A
C
R
A
M
E
N
T
O
More clues leading to the result SACRAMENTO
- Escort a man abused in US city
- Eg, marriage and love in western capital
- Perhaps wedding ring found somewhere in California
- Cameras not adjusted for US capital
- Stuff in sea not designed for US port
- Bread and wine and a drop of oil in US city
- Bones not fixed by the setter in US city
- State capital has no love for religious ritual
- Marriage possibly over in US city
- Once a smart complex in state capital
Buddy explains!
The straight part
We know that "US capital" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case us capital = sacramento.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.