foolish名词

foolish名词形式是foolishness，副词形式是foolishly。foolishness意思是愚蠢，愚笨。例如：First love is only a little foolishness and a lot of curiosity初恋就是一点点笨拙外加许许多多好奇。foolish主要用作形容词，意思是愚蠢的，傻的。

foolish比较同义句型：

1、It was foolish of her to say such a thing=She was foolish to say such a thing她说出那样的话来，真是太蠢了。

2、He was foolish to leave his car unlocked=He was so foolish as to leave his car unlocked他真傻，车都没有锁。

foolish，stupid，silly的区别：

1、foolish指无头脑，缺乏常识或判断力，相当汉语的“愚蠢”。

2、stupid指智力、理解力或学习能力很差，相当汉语的“笨”。

3、silly指头脑简单，傻头傻脑或令人发笑，相当于汉语的“傻”。例如：She is a silly woman，but not a stupid one她是个头脑简单的女人，但不能算笨。