once
onceadverb
UK/wʌns/US/wʌns/
ONE TIME
A2one time only
- I've only been to the beach once this year.
- We meet once a week.
IN THE PAST
B1at some time in the past
- This building was once a school.
- I once saw a whale near the coast.
onceconjunction
UK/wʌns/US/wʌns/
B1as soon as, or from the moment that
- Once you've finished, you can go home.
- It's easy once you know how.