at once


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at once

1. Immediately. I need you to call me at once—we have an urgent matter to discuss. The boss wants you to start working on this report at once.
2. At the same time. Don't try to carry more than two boxes at once—they're heavy! I can't understand a word with all of you screaming at once.
See also: once

at once

immediately; right now. We must leave at once! You must come here at once; it is an emergency.
See also: once

at once

1. immediately They were told to leave the building at once.
2. at the same time Everything happened at once, so I didn't have time to ask for advice.
See also: once

at once

1. At the same time, as in We can't all fit into the boat at once. [First half of 1200s] Also see at one time, def. 1.
2. Immediately, as in Mother told the children to come inside at once. [First half of 1500s]
See also: once

at once

1. All at one time; simultaneously: Everything happened at once. The view of the skyline is at once awesome, grand, and disappointing.
2. Immediately; instantly: Leave the room at once.
See also: once
References in periodicals archive ?
The five planets were last visible at once in July 1991.
In Europe, bargaining took place at the industry level, as if an association of autoworkers negotiated with all the car makers at once.