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when

when

1.0
To introduce a clause that tells the time something happens
  • subordinating conjunction
  • /wɛn/
translation icon : cuando
  • When things don't go right, when things go wrong,

What do you do when things go wrong?

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Examples

  • She likes to start studying when the clock strikes six.

  • How to know when pot roast is done?

  • What do you do when things go wrong?

  • We'll see you when we have a baby.

  • And what do we mean when we say subject?

  • I had to sit down when it first came out.

  • Or you may feel guilt when you hear their story.

  • What will Oscar say when he sees that again?

  • When I look at you, that's when I look at you.

  • I always feel happy when the sun is shining.

Synonyms

as soon as
vswhen
1.0

Right after something happens

is used for time clauses without stressing immediate sequence
whenever
vswhen
1.0

At any time that something happens

is used for a single occasion or time period rather than every occurrence
whensoever
vswhen
  • Archaic
9.3

At any time that something happens

is used for a particular time or during an action rather than all occasions

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 main

Etymology

When comes from the old 'wh-' question words, meaning 'at what time', and so when is used to introduce a clause that shows the time something happens.