残忍 (ざんにん, zannin) Japanese meaning: brutal | KotomoraHis brutal act is unforgivable.
The incident was too cruel.
Usage patterns
残忍な〈事〉a brutal incident/act
The brutal incident shocked the entire nation.
〈人〉を残忍に殺すto kill someone in a brutal manner
The perpetrator brutally killed the victim.
残忍な性格a cruel, merciless personality
He is known for his cruel, merciless personality.
utterly callous; atrociously brutal; cruel and inhuman
cruel and inhuman; brutal; merciless