all at once
adverbial phrase
Pronunciation: ɔːl æt wʌns
Definition
Happening suddenly and simultaneously.
Examples
The lights in the theater went out all at once, plunging the audience into darkness.
She felt a wave of exhaustion and hunger hit her all at once after the long hike.
The students began to talk all at once, making it impossible for the teacher to be heard.
Synonyms of all at once
Words with a similar meaning to all at once:
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