one-sidedness

US /ˌwʌnˈsaɪ.dɪd.nəs/
UK /ˌwʌnˈsaɪ.dɪd.nəs/
1.

sự một chiều

a situation in which only one opinion in an argument is considered, in a way that is unfair:

:
One-sidedness is never easy to deal with.