expression, adverb
unintentionally; inadvertently; without intending to
Used when an action or result occurs without the person's conscious intention. Often appears in formal or written contexts.
彼は意図せず秘密を漏らしてしまった。
He unintentionally let the secret slip.
意図せずして、その言葉が彼女を傷つけた。
Without intending to, those words hurt her.