out of the blue

Idioms  

1. see out of a clear blue sky.

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Example Sentences

“You were about to kiss me. And then you ran away, out of the blue.”

From Literature

She said, ‘Love you,’ when we switched off the light at bedtime and gave me hugs out of the blue for no apparent reason.

From Literature

But they told that story way too often about how excited they’d been, getting that call out of the blue, getting Jonah.

From Literature

At first, the police had no idea what it was all about as Podedworna's email had come completely out of the blue.

From BBC

But the news also came out of the blue for hundreds of creatives who were working on projects in and around the building.

From BBC