Idioms title

The Idiom Attic - a collection of hundreds of English idioms, each one explained.

The meaning of "out of the blue"

" Out of the blue "
Suddenly and unexpectedly.
We were sunbathing and then it just started to hail. It was literally out of the blue.
Where did it originate?:
Britain, 19th century (as 'a bolt from the blue').
Where is it used?:
Hear the idiom spoken:
More idioms about:   surprise   luck  

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