?愚昧

... stupid 愚蠢的，笨的 stupidity 愚昧 sturdy 坚定的；牢固的 ...

?迟钝

... left border dullness左浊音缘,浊音界左缘(心脏叩诊) Stupidity; dullness.愚蠢;迟钝 left border of dullnessn.浊音界左缘 ...

?愚蠢

... id 结尾的形容词变名词基本都是在后面直接加- acidity酸度； stupidity愚蠢 ...

?糊涂事

... stupor 昏迷，恍惚；麻木 stupidity 愚蠢；糊涂事 stupefaction 麻醉；昏迷；麻木状态 ...