all of a sudden
idiom
Pronunciation: /ˌɔːl əv ə ˈsʌdən/
Definition
Happening unexpectedly and very quickly.
Examples
All of a sudden, the lights went out and the room was plunged into total darkness.
She was walking down the street when, all of a sudden, she realized she had left her keys at home.
The engine started making a strange noise and, all of a sudden, the car stopped moving.
Synonyms of all of a sudden
Words with a similar meaning to all of a sudden:
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