Ma'anar "aphasia mai kyau" kalma ce ta likitanci da ake amfani da ita don bayyana wani nau'in matsalar harshe da ke shafar iyawar mutum ta hanyar sadarwa da kyau da daidaituwa. yin magana cikin sauƙi kuma a hankali, amma suna iya samun matsala tare da abun ciki da ma'anar maganarsu. Suna iya amfani da kalmomi ko jimlolin da ba daidai ba, kuma maganganunsu na iya zama rarrabuwar kawuna ko rashin daidaituwa.Aphasia mai ƙwanƙwasa yana da alaƙa da lalacewa ta gefen hagu na kwakwalwa, musamman a cikin lobes na wucin gadi da parietal. An kuma san shi da Wernicke's aphasia, mai suna bayan wani masanin ilimin likitancin Jamus Carl Wernicke, wanda ya fara bayyana yanayin a ƙarshen 1800s.