The most common and most likely answer to this crossword clue is the 7 letter word EMBASSY
I've seen this crossword clue in Financial Times
E
M
B
A
S
S
Y
More clues leading to the result EMBASSY
- English singer included in my official mission
- A couple of seconds to break into ground may be the mission
- Government representatives backed me by detaining fool
- Mission Paul set up, fishy?
- Graduate in chaotic system lacking time for mission
- Diplomatic office getting space – it could be fishy
- English singer taken in by my diplomatic setting
- Catching fish is English setter’s mission
- Doctor poor essay about a mission abroad
- European singer entering my diplomatic venue
Buddy explains!

The straight part
We know that "Diplomatic office" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case diplomatic office = embassy.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 EMBASSY mean?
EMBASSY noun- The function or duty of an ambassador.
- An organization or group of officials who permanently represent a sovereign state in a second sovereign state or with respect to an international organization such as the United Nations.
- A temporary mission representing a sovereign state.
- The official residence of such a group, or of an ambassador.