All Of A Sudden (Adverb)
Meaning 1
Without warning; "all at once, he started shouting".
Examples
- The fire alarm went off all of a sudden and the building was evacuated immediately.
- All of a sudden, I heard footsteps behind me and I turned around.
- The company's profits plummeted all of a sudden due to the economic downturn.
- She was driving normally, and then all of a sudden, her car's tire burst.
- The lights went out all of a sudden, plunging the room into darkness.