Describing actions or persons as cruel, ruthless, or merciless — lacking compassion or pity.
戦争の描写はとても残酷で胸が痛んだ。
The depiction of war was so cruel that it pained me.
あの仕打ちは本当に残酷だった。
That treatment was truly cruel.
残酷な実験の報道に人々は声を上げた。
People raised their voices against the reports of cruel experiments.