adverb
all sorts of things; anything and everything
Emphasizes a wide, indiscriminate range of things or topics. Often used when someone brings up or does many different things without restriction.
See also: なんでもかんでも
彼は何でもかでも知っているように話す。
He talks as if he knows everything about everything.
あの店は何でもかでも置いてある。
That shop has all sorts of things.
adverb
Expresses a strong determination to do something no matter what, often with a sense of desperation or stubbornness. Less common than the first sense.
See also: なんでもかんでも
何でもかでもやり遂げるつもりだ。
I intend to see it through by all means.