noun
hatefulness; hatred
The abstract quality or feeling of hate; often used in set phrases like 憎さ余って憎さ百倍 (hatred grows a hundredfold).
彼の言葉には憎さがこもっていた。
His words were filled with hatred.
憎さのあまり、冷静な判断ができなかった。
I was so consumed by hatred that I couldn't make a calm judgment.