a member of a group of people on the internet who are unable to find sexual partners despite wanting them, and who express hate towards people whom they blame for this

The word incel is short for "involuntary celibate". Incel 是 involuntary celibate（即“非自愿的独身主义者”）的缩写。

Incels obsess over their own unattractiveness. 网络厌女人士其实是陷于自己的毫无魅力而无法自拔。