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once

UK

/wʌns/

US

/wʌns/

onceadverb

UK

/wʌns/

US

/wʌns/

Definitions

On one occasion or for one time only.

I have only been to Paris once.

At some time in the past; formerly.

She was once a famous actress.

Synonyms

at one time

one time

in the past

onceconjunction

UK

/wʌns/

US

/wʌns/

Definitions

As soon as, right after.

Once the meeting ended, everyone left the room.