Once

/wʌns/

Meaning & Definition

noun

A single time.

I saw that movie once.

adverb

At one time; on one occasion.

I once visited Paris during the summer.

As soon as; when.

Once you finish your homework, we can go out.

In the past; formerly.

He was once a famous actor before he retired.

Middle English, from Old English 'ānce,' from 'ān' meaning ‘one’.

once in a while

Occasionally.

once upon a time

A phrase used to begin a story, indicating a time long ago.

once and for all

Finally; decisively.

onetime

Happening only once.

once-over

A quick or cursory examination.

To put something on hold.

I once'd that idea until I had more information.

To do something once and not repeat it.

I once'd that concert; it was great but I won't go again.