at once
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Synonyms & Related Words at once[adverb]Synonyms: together, coincidentally, coincidently, coinstantaneously, concurrently, simultaneously, away, directly, first off, forthwith, immediately, instanter, instantly, now, right away, straightway
English Thesaurus: immediately, at once, right away, instantly, right now/this minute, ... [TahlilGaran] English Synonym Dictionary ▲
English Dictionary at onceat the same time: They all started talking at once. [TahlilGaran] Advanced Learner's Dictionary ▲
at onceimmediately: I knew at once that I'd like it here. [TahlilGaran] Advanced Learner's Dictionary ▲
Thesaurus immediately very soon after something else happens, and without any delay:
Sam immediately offered to help.at once immediately – used especially for emphasis:
Remove the pie from the oven and serve at once. He came home at once when he heard his wife was ill.right away (
also straightaway British English)
especially spoken immediately, especially because something is urgent.
Right away and
straight away are less formal than
immediately, and are very common in everyday spoken English:
If this happens, let us know right away. I apologized straightaway.instantly if something happens instantly, it happens immediately after something else, with almost no time between:
The boy was killed instantly. The message is sent instantly from your computer.right now/this minute spoken if someone orders you to do something right now, they want you to do it immediately, especially because they are annoyed with you:
The head teacher wants to see you right now.without delay immediately, because it is important that you do something as soon as possible:
If you lose your passport, you should contact the embassy without delay. [TahlilGaran] English Thesaurus ▲
Idioms at once1. 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. [TahlilGaran] English Idioms Dictionary ▲
at onceimmediately
The police came at once when we called them.
[TahlilGaran] English Idioms Dictionary ▲
at once adv. phr. 1. Without delay; right now or right then; immediately.
Put a burning match next to a piece of paper and it will begin burning at once. Mother called the children to lunch, and Paul came at once, but Brenda stayed in the sand pile a little longer. Synonym: RIGHT AWAY or RIGHT OFF.
Compare: ALL AT ONCE
2.
[TahlilGaran] English Idioms Dictionary ▲