At once
Pronunciation: /ˈæt ˈwəns/
At once (adv)
- Happening or being done right away, with no waiting.
- Happening at the same time, as one event or in the same moment.
At once (adverb)
Examples
- Start the test at once.
- Please call me at once.
Pronunciation: /ˈæt ˈwəns/