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at once

Definition of at once

  1. 1 :  at the same time <two people talking at once> <The book is at once funny and sad.> <She had several projects going on all at once.>

  2. 2 :  without delay :  immediately <We need to leave at once.> <You can call the office and get advice at once.>



Word by Word Definitions

onceplay
  1. :  one time and no more

    :  at any one time :  under any circumstances :  ever

    :  at some indefinite time in the past :  formerly

  1. :  one single time :  one time at least

  1. :  that once was :  former

  1. :  at the moment when :  as soon as


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