n.

1. 本質
   The quiddity of this company is service at low price.

   這家公司的本質就是廉價服務。

2. 藉口；強辯
   She resorted to using quiddities to win this debate.

   她用詭辯的方式贏得了這場辯論。

3. 怪癖
   She said that some of her husband's quiddities were quite unbearable to her.

   她說她的丈夫的一些怪癖讓她無法忍受。

n.