na-adjective, noun
heartlessness; inhumanity; lack of compassion
Describes a cruel, unfeeling attitude or behavior; often used in formal or literary contexts to criticize someone's moral failure.
彼の不仁な態度に周囲は失望した。
People around him were disappointed by his heartless attitude.
その政策は弱者に対する不仁の表れだと批判された。
The policy was criticized as a sign of inhumanity toward the weak.
Composed of 不 (not) and 仁 (benevolence, humanity), literally 'without benevolence'. The term originates from classical Chinese philosophy, where 仁 is a key Confucian virtue, and 不仁 denotes a lack of that virtue.