adv. 1 a in whatever way (do it however you want). b to whatever extent, no matter how (must go however inconvenient). 2 nevertheless. 3 colloq. (as an emphatic) in what way, by what means (however did that happen?).
HOWEVER
Meaning of HOWEVER in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012