small-mindedness

US /ˌsmɔːlˈmaɪn.dɪd.nəs/
UK /ˌsmɔːlˈmaɪn.dɪd.nəs/
"small-mindedness" picture
1.

the quality of being unwilling to consider new ideas or opinions; narrow-mindedness

:
His small-mindedness prevented him from understanding different cultures.
We need to overcome small-mindedness to achieve progress.