inhumanity; atrocity; cruel and outrageous
Strong literary or formal term for acts or character that are both cruel and beyond moral bounds. Often used in serious condemnation.
The dictator's atrocious acts are etched in history.
戦争の残虐非道を伝える記録が展示されている。
Records conveying the inhumanity of war are on display.
残忍 is more about cruelty and brutality, while 残虐非道 adds a sense of moral outrage and violation of basic human decency.
非道 alone means unjust or wicked; 残虐非道 intensifies it with the nuance of cruelty and atrocity.
Compound of 残虐 (cruelty, atrocity) and 非道 (injustice, wickedness). The combination emphasizes extreme cruelty that violates moral principles.