adverb
(not) in any way; (not) at all; (none) whatsoever
Used with a negative verb to mean 'not at all' or 'in no way'. Emphasizes complete absence or negation.
その問題については何ら心配していない。
I am not worried at all about that problem.
There is no contradiction whatsoever in his explanation.
noun which may take the genitive case particle 'no'
Rare literary or formal use as a no-adjective meaning 'what kind of'. Mostly found in older or very formal writing; modern Japanese usually uses どのような or どんな.
これは何らの理由があってのことか。
For what kind of reason is this?