small-mindedness

noun
1
the fact of having fixed opinions and ways of doing things and not being willing to change them or consider other people's opinions or feelings; the fact of being interested in small problems and details and not in things which are really important
کوته‌بینی, کوته‌فکری, تنگ‌نظری, کوته‌نظری
synonym intolerance(1), pettiness