At once
adverb
Immediately, right away.
When I call your name, come at once.

Often appears as...
- come at once
- do it at once
adverb
Simultaneously, at the same time.
She started crying and laughing at once.

Often appears as...
- laughing and crying at once
- speaking and writing at once
adverb
Immediately, right away.
When I call your name, come at once.

Often appears as...
- come at once
- do it at once
adverb
Simultaneously, at the same time.
She started crying and laughing at once.

Often appears as...
- laughing and crying at once
- speaking and writing at once
Definition 1 of 2

Urgency Connotation
Conveys a sense of urgency and the need for quick action or response.

Please send help at once!
Strong Command
Often used to issue commands, showing authority or seriousness.

Stop that at once!
Casual Tone
Can be used informally among friends or family to express need for haste.

Come over at once, we're cutting the cake.
Urgency Connotation
Conveys a sense of urgency and the need for quick action or response.

Please send help at once!
Strong Command
Often used to issue commands, showing authority or seriousness.

Stop that at once!
Casual Tone
Can be used informally among friends or family to express need for haste.

Come over at once, we're cutting the cake.
Urgency Connotation
Conveys a sense of urgency and the need for quick action or response.

Please send help at once!
Strong Command
Often used to issue commands, showing authority or seriousness.

Stop that at once!
Casual Tone
Can be used informally among friends or family to express need for haste.

Come over at once, we're cutting the cake.
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