all of a sudden definition

  • adverb:
    • abruptly, quickly.
    • taking place unexpectedly
    • unexpectedly
  • noun:
    • sooner than had been expected; without typical planning; out of the blue.

Related Sources

  • Definition for "all of a sudden"
  • Sentence for "all of a sudden"
  • Quotes for "all of a sudden"
  • Urban Dictionary for "all of a sudden"
66 votes

How would you define all of a sudden?

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