all at once


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all at once

1. Simultaneously. Don't answer all at once. One at a time, please.
2. Suddenly and without warning. All at once, Henry began feeling sick.
See also: all, once
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

all at once

 
1. Lit. all at the same time. The entire group spoke all at once.
2. Fig. suddenly. All at once the little girl fell out of her chair.
See also: all, once
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

all at once

1. All at the same time, as in We can't get inside all at once, so please wait your turn. [Late 1300s]
2. Suddenly, unexpectedly, as in All at once the sky darkened. For a synonym, see all of a sudden.
See also: all, once
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ˌall at ˈonce

suddenly: All at once it began to rain.
See also: all, once
Farlex Partner Idioms Dictionary © Farlex 2017
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