out of the blue definition

  • adverb:
    • unexpectedly; suddenly or planning
    • in a manner that wasn't anticipated
  • adjective:
    • maybe not anticipated

Related Sources

  • Sentence for "out of the blue"
  • Equivalent for "out of the blue"
  • Urban Dictionary for "out of the blue"
    • Double Album because of the Electric…
    • View More
54 votes

How would you define out of the blue?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!