The most common and most likely answer to this crossword clue is the 7 letter word BLIGHTY
I've seen this crossword clue in The Sunday Telegraph
B
L
I
G
H
T
Y
More clues leading to the result BLIGHTY
- By touring with less luggage, see Britain informally
- Ugly urban district close to Burnley, England
- England insignificant in past
- Brilliance breaking through for Britain at war?
- Disease found by youth leader in Tommy’s home
- Times crossword solution found in this English soldier’s home?
- Easy raids by Britain during the war
- British land army member’s missing?
- By carrying torch, maybe, you can see home from afar
- Clue, goes in through Great Britain
Buddy explains!

The straight part
We know that "Britain during the war" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case britain during the war = blighty.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 BLIGHTY mean?
BLIGHTY noun- A wound that is relatively minor, but sufficiently severe that one will be sent to the hospital in England.