Out of the Blue Idiom Meaning, Examples, Synonyms

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out of the blue idiom meaning

The idiom “out of the blue” is an expression used to describe something that happens unexpectedly or suddenly, without any prior warning or indication. When an event or situation occurs out of the blue, it catches people off guard and often takes them by surprise.

Originating from the phrase “a bolt out of the blue,” which refers to a sudden lightning strike from a clear sky, the idiom has evolved to encompass various unforeseen occurrences in everyday life.

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Out of the Blue Idiom Meaning and Origin

“Out of the blue” means something happening suddenly and unexpectedly. It describes a surprise or an event that occurs without warning. For example, “He called me out of the blue after years.”

The origin comes from the idea of a clear blue sky. In such calm weather, a storm or lightning strike would be shocking and unexpected—just like the idiom suggests. The full version was once “a bolt out of the blue,” which appeared in the 1800s.

Now, people use it in daily speech to talk about surprises. It could be a visit, a call, or even unexpected news. So, when something happens out of the blue, it catches you off guard. It’s simple, vivid, and easy to understand.

Out of the Blue Usage with Examples

Mentioned below are some examples where you can use the idiom out of the blue: 

  • I was sitting in the park, lost in my thoughts when an old friend approached me out of the blue, and we ended up spending the entire afternoon catching up.
  • While on vacation in a remote village, I received an email offering me a dream job out of the blue, and it completely changed the trajectory of my career.
  • As the sun set, a heavy rainstorm hit out of the blue, forcing us to seek shelter and reminding us of the unpredictable nature of weather in this region.

Also Read: Useful Idioms with Examples, Sentences, and Meanings

Synonyms and Similar Words to Out of the Blue

Mentioned below are some synonyms and related words to out of the blue:

  • Unexpectedly
  • Surprisingly
  • All of a sudden
  • Without warning
  • Unanticipated

Out of the Blue Meaning Quiz 

1. What does the idiom “out of the blue” mean?
A) In a sad mood
B) With great effort
C) Suddenly and unexpectedly
D) In a planned way

Answer: C

2. Choose the correct sentence using “out of the blue”:
A) He trained out of the blue for the marathon.
B) She appeared out of the blue at the party.
C) We studied out of the blue for the test.
D) He ate lunch out of the blue.

Answer: B

3. Fill in the blank:
I hadn’t heard from her in months, and then she called me __________.

A) on the blue
B) into the blue
C) out of the blue
D) over the blue

Answer: C

4. Which situation best describes “out of the blue”?
A) A guest arriving after sending a letter
B) A planned vacation
C) A sudden phone call from an old friend
D) A regular morning routine

Answer: C

5. The phrase “out of the blue” is used to describe something that happens:
A) Gradually
B) Often
C) Without warning
D) With help

Answer: C

6. Fill in the blank:
The storm came __________, ruining our picnic.

A) out of the blue
B) from the green
C) up the sky
D) under the clouds

Answer: A

7. What is the origin of “out of the blue”?
A) A mountain path
B) A quiet forest
C) A clear sky with sudden lightning
D) A deep ocean

Answer: C

8. Choose the synonym for “out of the blue”:
A) Suddenly
B) Carefully
C) Slowly
D) Silently

Answer: A

9. Fill in the blank:
My cat jumped on my keyboard __________ while I was working!

A) out of the red
B) out of the blue
C) from the yellow
D) in the gray

Answer: B

10. What is the opposite of “out of the blue”?
A) Unprepared
B) Sudden
C) Expected
D) Surprising

Answer: C

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FAQs

Why do people say “out of the blue”?

People say “out of the blue” to describe something that happens suddenly and without warning, often as a surprise.

What is the meaning of “called out of the blue”?

It means someone called unexpectedly, without any prior notice or plan.

What is the meaning of the idiom “golden handshake”?

A “golden handshake” is a large sum of money given to an employee when they leave a job, usually as part of a retirement or early exit deal.

This was all about the idiom of the blue meaning and examples. Hope you understood the concept where it’s used. For more blogs on Learn English, follow Leverage Edu.

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