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how‧ev‧er1 S2 W1

1 used when you are adding a fact or piece of information that seems surprising, or seems very different from what you have just said [= nevertheless]:
This is a cheap and simple process. However there are dangers.
an extremely unpleasant disease which is, however, easy to treat
This is a cheap and simple process. However there are dangers.
an extremely unpleasant disease which is, however, easy to treat2 used to say that it does not matter how big, good, serious etc something is because it will not change a situation in any way [= no matter how]:
You should report any incident, however minor it is.
We have to finish, however long it takes.
You should report any incident, however minor it is.
We have to finish, however long it takes.3 especially British English used to show surprise when you ask how something happens or how someone does something :
However did he get that job?
However did he get that job?



