1Really; very; extremely—used to emphasize a high degree of something.
その映画は何とも感動的だった。
That movie was really moving.
最近は何とも忙しくて、休む暇もない。
Lately I'm terribly busy and have no time to rest.
彼の演奏は何とも素晴らしかった。
His performance was truly wonderful.
2(not) anything; not at all; used with negative verbs to mean 'not... at all' or 'can't really...'.
その問題は何とも解決できない。
That problem can't be solved at all.
彼の言うことは何とも信じられない。
I really can't believe what he says.
今のところ何とも言えないが、様子を見よう。
I can't really say at the moment; let's wait and see.