derangement
🇺🇸
/dɪˈreɪndʒmənt/
🇬🇧
/dɪˈreɪndʒmənt/
when someone cannot think or act like they usually do, often because of mental illness
After the accident, they noticed his strange behavior and feared he was experiencing derangement.
事故の後、彼らは彼の奇妙な行動に気づき、彼が錯乱しているのではないかと恐れた。