out of the blue

1. see out of a clear blue sky.

Example Sentences

Mr Barton, 58, said: "This came out of the blue and with no clear direction. I think it's absolutely woeful of any government to not have that direction."

From BBC

If you get a text out of the blue saying you owe money for an unpaid parking ticket, stop before you click.

From BBC

He recalled receiving the news out of the blue.

From BBC

"It was devastating, because it came out of the blue", he says.

From BBC

“This plane just keeps disappearing out of the blue,” said Sgt.

From Los Angeles Times