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when

when

1.0
To ask or talk about the time something happens
  • adverb
  • /wɛn/
translation icon : cuándo
  • Can you tell me when the concert starts?
  • the time when
  • know when
  • the moment when

Can you maybe share with us when you first met me?

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Examples

  • What to do when things start going wrong?

  • I got to know him much better after 1980, when my first novel was published.

    Academic text (2011)
  • I was so nervous when I got on stage.

  • Can you maybe share with us when you first met me?

    ZOE
  • But my question is, when does that movie say stop?

  • And well, when is this thing going to move?

  • But we're all happy when we're all OK.

  • I get really nervous when I get up on stage.

  • We have to go now, but we'll continue this conversation when we get back.

  • Lisa got a lot of attention when the tragedy happened.

Idioms

A phrase you use to talk about a topic and show how someone or something is treated

At the right moment to do something

way back when
  • Informal
22 7.3

A long time ago

when in doubt
  • Informal
5 4.5

If you are not sure, follow safe advice or ask someone

3 7.4

When things become very difficult and you must act

To treat someone badly when they already have problems

1 7.8

Keeps trying and does not stop even when it would be wiser to give up

To deal with a problem only when it happens, not before

To pay attention to something unimportant instead of the main task

Say mean things to someone when they are already in trouble

To criticize or take advantage of someone when they are weak

Act with dignity and good behavior when others act mean or unfair

when in Rome
  • Informal
6.8

Act like local people when you visit a place

Follow how people behave where you are

8.2

To need to go to the toilet

At the time a place becomes quiet, often in the evening

To make the wrong choice when a different action is needed

To do the wrong thing when a different action is needed

Surface Forms

when positive

Etymology

When comes from the old 'wh-' question family, like who and what, and originally meant 'at what time'. So to use when is to ask about time.