Search Result：at once
at once 
(TTS Sound)
(TTS Sound)Overview of adv at_once
The adv at once has 2 senses
- immediately, instantly, straightaway, straight off, directly, now, right away, at once, forthwith, like a shot -- (without delay or hesitation; with no time intervening; "he answered immediately"; "found an answer straightaway"; "an official accused of dishonesty should be suspended forthwith"; "Come here now!")
- at a time, at once, at one time -- (simultaneously; "he took three cookies at a time")