na-adjective, noun which may take the genitive case particle 'no', noun
Describes something that happens outside of one's expectations or plans; often used in formal or written contexts.
慮外の出来事に一同驚いた。
Everyone was surprised by the unexpected event.
na-adjective, noun
Refers to behavior or speech that is discourteous or lacking in consideration; somewhat old-fashioned and formal.
彼の慮外な態度に腹が立った。
I was offended by his rude attitude.