stupidity
noun [ U ] uk/stjuːˈpɪd.ə.ti/ us/stuːˈpɪd.ə.t̬i/
C2 愚蠢
the state of being silly or unwise
a moment/act of stupidity 一时的愚蠢／愚蠢的举动
Her stupidity is beyond belief sometimes. 有时候她蠢得令人难以置信。
It was sheer stupidity to refuse at the price they were offering. 他们出那样的价钱还不卖，真是愚蠢透顶。