insanity
🇺🇸
/ɪnˈsænəti/
🇬🇧
/ɪnˈsænəti/
a serious mental illness that makes someone unable to think or behave normally
The court decided he was not responsible for his actions due to insanity.
法院認定他因精神疾病而對自己的行為不負責任。
very foolish or dangerous behavior
Continuing to invest in that failing company is pure insanity.
繼續投資那家瀕臨破產的公司純粹是愚蠢至極的行為。