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once

once

1.0
Happens on a single occasion in the past or future
  • adverb
  • /wʌns/
translation icon : una vez
  • Realistically, I probably work out like once every two weeks.
  • once a day
  • once a week
  • once a month

Now you turn the crank once, twice, twice.

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Examples

  • The researcher saw each child for 15-20 minutes once a week for eight weeks.

    Academic text (1999)
  • Maybe for once in his life, the old man was right.

  • The official story was he met him once and then later agreed.

  • And so I went once a week for years.

  • You will stop this fighting at once and fall in.

  • When he was in Chicago, I usually saw him once, sometimes twice a week.

    Fiction book (1990)
  • Read through the text just once to see what's going on.

  • I would certainly enjoy incorporating a question like this once a week to complement my instruction.

    Academic text (2011)
  • I visited my grandparents once last summer, and we had a wonderful time together.

  • He only got to meet the famous author once, but that moment inspired him greatly.

Synonyms

one time
vsonce
750 1.0

On a single occasion

has identical meaning and use as the linked concept
at one time
vsonce
112 2.8

In the past

is about a single occasion that can be past or future

Antonyms

1.0

At no time in the past or future, not ever

1.0

On every occasion without exception

Idioms

974 1.0

One more time

427 1.6

Sometimes, but not very often

344 1.0

Immediately without delay

287 1.8

At the same time

To end a problem completely so it never happens again

139 1.0

Another time after something has already happened

88 1.6

Happens one or two times, not often

43 2.1

Happening at the same time

13 3.0

Happening suddenly and without warning

6 5.0

Happens very rarely

To check something carefully before you do it to avoid mistakes

9.9

To try again to face a difficult situation even after failing before

7.9

Careful about doing something again because of a bad past experience

Compounds

once-over
  • Informal
9 5.6

A quick check to find mistakes or problems

6.5

A CD you can record on once and then only read

How Often

always
1.0
often
1.0
now and again
  • Informal
54 2.3
twice
1.0
once more
139 1.0
once
1.0
never
1.0

Surface Forms

once positive

Etymology

The word once comes from the old English word ān and the simple word one, both meaning 'one', so it originally meant 'one time'. That's why when you say you did something once, you mean you did it 'on one occasion'.