out of a clear blue sky

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Also, out of the blue. Without warning, suddenly, as in Her offer to help us with the fundraising came out of a clear blue sky, or We got a check from Aunt Ruby out of the blue. These metaphoric terms allude to something dropping unexpectedly from the sky. [Late 1800s] Also see out of nowhere.

QUIZ

ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?

We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.

Question 1 of 8

Which of the following words describes “sky blue”?

navy

beryl

azure

TAKE THE QUIZ TO FIND OUT

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Words nearby out of a clear blue sky

outmoded, outmost, outmuscle, outness, outnumber, out of a clear blue sky, out-of-body, out-of-body experience, out-of-bounds, out of breath, out of business

How to use out of a clear blue sky in a sentence

Really, is it any wonder that fluoride should freak people out?
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
The story of fluoridation reads like a postmodern fable, and the moral is clear: a scientific discovery might seem like a boon.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
For a while yoga and pilates classes were sought out at luxury gyms like Equinox.
How Taryn Toomey’s ‘The Class’ Became New York’s Latest Fitness Craze|Lizzie Crocker|January 9, 2015|DAILY BEAST
But the tide was turning on this issue, an email from another constituent made clear.
Jeb Bush’s Unseen Anti-Gay Marriage Emails|Jackie Kucinich|January 9, 2015|DAILY BEAST

On Thursday, Garcetti ruled himself out of the race to succeed Boxer.
The Golden State Preps for the ‘Red Wedding’ of Senate Races|David Freedlander|January 9, 2015|DAILY BEAST
And he was gone, and out of sight on the swift galloping Benito, before Father Gaspara bethought himself.
Ramona|Helen Hunt Jackson
Most of the men leaped up, caught hold of spears or knives, and rushed out.
The Giant of the North|R.M. Ballantyne
Liszt looked at it, and to her fright and dismay cried out in a fit of impatience, "No, I won't hear it!"
Music-Study in Germany|Amy Fay
The most High hath created medicines out of the earth, and a wise man will not abhor them.
The Bible, Douay-Rheims Version|Various
Squinty could look out, but the slats were as close together as those in a chicken coop, and the little pig could not get out.
Squinty the Comical Pig|Richard Barnum