conjunction
however; whatever; no matter how
Used to introduce a clause meaning 'regardless of how something is', often followed by a statement that holds true in any case. Similar to であれ but with どう for manner/state.
See also: であれ
結果がどうであれ、全力を尽くすつもりだ。
Whatever the result may be, I intend to do my best.
彼がどうであれ、私は自分の道を行く。
However he may be, I will go my own way.