when‧ev‧er S2 W3 / wenevə $ -evər / 副词 , 连词

1 every time that a particular thing happens :

Larry always blames me whenever anything goes wrong.

Whenever I hear that tune, it makes me think of you.

2 at any time :

Come and visit me whenever you want.

a policy of using recycled paper whenever possible

3 spoken used as a reply to say that it does not matter what time something happens :

‘I’ll call you tomorrow or the day after.’ ‘Okay. Whenever.’

THESAURUS

when at or during the time that something happens : Call me when you get home. | When I got here, the place was empty.

while during the time that something is happening – used to emphasize that something is continuing : I’ll make the salad while you set the table. | While we were on holiday, our house was burgled.

whenever used in order to emphasize that something always happens when another thing happens : He visits his mother whenever he can. | You can come and talk to me whenever you have a problem.

by the time used in order to say that one thing has or will have already happened when something else happens : By the time a child is five, he will have watched hundreds of hours of television.