Ma'anar ƙamus na "rashin ɗan adam" shine yanayi ko ingancin rashin tausayi, jinƙai, ko ɗan adam. Yana nufin rashin halaye na ɗan adam ko wayewa, kuma ana iya amfani da shi don bayyana ayyuka ko ɗabi'a waɗanda suke da mugun hali, rashin tausayi, ko rashin tausayi ko la'akari ga wasu. Hakanan ana iya amfani da kalmar don bayyana wani abu da ba daidai ba, kamar doka, siyasa, ko aiki wanda ke zalunci ko zalunci.