Once will have to do. You can go just this once.
Once he goes, we can clean up.
A cousin once removed.
A once famous man.
Once he has made his point, he will be quiet.
Once known, his face is never forgotten.
My first cousin once removed.
The once capital of the nation.
To eat once a day.
She'll succeed if once given a chance.
Go this once.
Once three is three.
An example of once is doing something one day each week, once a week.
An example of once is saying when your friend arrives you'll be leaving, you'll leave once your friend arrives.
Once a day.
- All at one time; simultaneously:Everything happened at once. The view of the skyline is at once awesome, grand, and disappointing.
- Immediately; instantly:Leave the room at once.
- Another time; again:Could you repeat yourself once more?.
- As usual; in typical fashion:Once more, you've proven yourself inept at chess.
- all at the same time
- at the same time
- for at least one time
- finally; decisively; conclusively
- now and then; occasionally
- not often; a few times
- in the past, esp. a long time ago
Idioms and Phrasal Verbs
Origin of once
- Middle English ones from on one from Old English ān oi-no- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition