As a proper noun Blighty
is great Britain, Britain, or England, especially as viewed from abroad.
As a noun blighty
is a minor wound, but serious enough to take a soldier out of combat.
As an adjective flighty is
given to unplanned and silly ideas or actions.
blighty
English
Proper noun
(
en proper noun)
(military slang, usually, capitalized) Great Britain, Britain, or England, especially as viewed from abroad
flighty
English
Adjective
(er)
Given to unplanned and silly ideas or actions.