all of a sudden

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Thân thiện
all of a sudden

She dropped her book all of a sudden.

Definition

Adverb: Happening in a very brief and unexpected moment; without any prior warning or indication.

Usage

This adverb is used to describe an event or change that occurs abruptly and surprisingly. It emphasizes the suddenness and lack of anticipation. * The weather changed all of a sudden, forcing us to run for cover. * All of a sudden, I remembered where I had left my keys.

Advanced Usage
  • Narrative Emphasis: Often used in storytelling to create a dramatic shift or to introduce a surprising plot development.
    • The hero was winning the fight. Then, all of a sudden, a new enemy appeared from the shadows.
Variants and Related Words
  • Suddenly (adv.): The more common and slightly more formal synonym.
    • The car stopped suddenly.
  • All at once (adv.): Can be synonymous, often used for multiple things happening simultaneously with suddenness.
    • All at once, the lights went out and the alarm sounded.
Synonyms
  • Abruptly
  • Unexpectedly
  • Out of the blue
  • Without warning
Related Phrases
  • On the spur of the moment: Describes a decision made suddenly, without planning.
    • We decided to go on a trip on the spur of the moment.
  • In a flash: Happening extremely quickly and suddenly.
    • The idea came to me in a flash.
all of a sudden

She dropped her book all of a sudden.

Adverb
  1. happening unexpectedly
    • suddenly she felt a sharp pain in her side
  2. without warning
    • all at once, he started shouting