at once

Adverb

Meaning

simultaneously

without delay or hesitation; with no time intervening

Source: WordNet

Synonyms

now immediately directly instantly right away forthwith straightaway at one time straight off like a shot at a time trice agora presto jiffy
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Antonyms

later eventually slow ultimately gradually slowly
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Examples

he took three cookies at a time Source: Internet

he answered immediately Source: Internet

found an answer straightaway Source: Internet

an official accused of dishonesty should be suspended forthwith Source: Internet

Come here now! Source: Internet

Additional points are awarded when multiple viruses are eliminated at once, but no additional points are awarded for initiating chain reactions, in which the elimination of one set of objects triggers the elimination of another set. Source: Internet

Close letter words and terms

at odd times at odds at odds with at one at one blast at one blow