/ haʊˈevə(r); NAmE / adverb
1.
used with an adjective or adverb to mean 'to whatever degree' :
He wanted to take no risks, however small.
She has the window open, however cold it is outside.
However carefully I explained, she still didn't understand.
HELP NOTE : When ever is used to emphasize how , meaning 'in what way or manner', it is written as a separate word:
How ever did you get here so quickly?
2.
in whatever way :
However you look at it, it's going to cost a lot.
3.
used to introduce a statement that contrasts with sth that has just been said :
He was feeling bad. He went to work, however, and tried to concentrate.
We thought the figures were correct. However, we have now discovered some errors.