English-Spanish translations for out of the blue

• de la nada
  Este problema no ha surgido de la nada. This problem did not come out of the blue.
  Cabe señalar que este tema no sale de la nada. It should be pointed out that this topic has not just come out of the blue.
  Las cinco prioridades en la Carta de los Derechos de las Mujer no han salido de la nada. The five priorities in the Charter have not appeared out of the blue.
• de repente
• de sopetón
  No se puede anunciar de sopetón, desde la capital o desde Bruselas, la obligatoriedad del reciclado y de la reutilización. Recycling and reuse cannot be announced out of the blue from the capital or from Brussels.

Definition of out of the blue

• unexpectedly; without warning or preparation

Examples

• After I hadn’t heard from her in six months, she called me out of the blue to meet for lunch.
• I really cant understand how something like this could simply pop up out of the blue

Related words

• out of the mouths of babes and sucklings
• out of the frying pan, into the fire
• out of the corner of one's eye
• out of the goodness of one's heart
• out of the box
• out of the woods
• out of the ordinary
• out of the question
• out of the way