1. Home
2. Idioms
3. a bolt from the blue

a bolt from the blue

---

---

a bolt from the blue

Something unexpected or surprising. We always thought of Michael as a life-long bachelor, so it certainly was a bolt from the blue when he returned from his vacation sporting a wedding ring!

See also: blue, bolt

a bolt from the blue

  also a bolt out of the blue

something that you do not expect to happen and that surprises you very much The news that they had got married was a bolt from the blue. He seemed to be very happy in his job, so his resignation came as a bolt out of the blue.

See also: blue, bolt