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.

Etymology

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

Common Phrases and Expressions

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.

Related Words

onetime
Happening only once.
once-over
A quick or cursory examination.

Slang Meanings

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.