なんでも・何でもnandemo[1]atamadaka (head-high)

1. expressionany; anything; whatever; whatever one likes; everything; all
   この犬いぬは何なんでもほとんど食たべます。↗

   This dog eats almost anything.
2. adverbI am told; I hear; I understand; they sayat start of sentence

• Related何が何でもなにがなんでもNeutralExpresses strong resolve to do something no matter what, at any cost; more emphatic than 「何でも」. Neutral register.
• Related何でもかでもなんでもかでもNeutralCovers every sort of thing without distinction; stronger than 「何でも」, with a nuance of lumping it all together indiscriminately. Neutral register.
• RelatedなんでもかんでもCasualSynonymous with 「何でもかでも」: everything taken together, indiscriminately; more common in colloquial speech.
• RelatedどうでもNeutralMeans any way will do, or no matter what; 「何でも」 focuses on any thing at all, or marks hearsay. Neutral register.

Use 「何でも」 for any/anything, whatever one likes, or to report hearsay. For firm resolve no matter what, use 「何が何でも」; for everything taken indiscriminately, 「何でもかでも」 or, in speech, 「何でもかんでも」; 「どうでも」 means any way will do.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 不確ふたしかであるが~（らしい）。聞きいた話はなしでは。
2. 是非ぜひとも。何なんとかして。