narrow-minded; parochial; prejudiced
Describes a person who is intolerant, petty, or unable to accept different ideas or people. Often used critically.
He is a narrow-minded person and never listens to others' opinions.
そんな度量の狭い考え方では、国際的な仕事はできない。
With such a parochial way of thinking, you can't do international work.
Antonym: 寛容 means tolerant, broad-minded, accepting.
Compound of 度量 (capacity, magnanimity) and 狭い (narrow). The phrase literally means 'narrow in capacity', referring to a lack of tolerance or open-mindedness.