expression, i-adjective
narrow-minded; intolerant; small-minded
Describes a person who is unwilling to accept different ideas or behaviors; often used critically.
彼は心が狭いから、他人の意見を聞こうとしない。
He is narrow-minded, so he won't listen to others' opinions.
そんなことで怒るなんて、心が狭いね。
Getting angry over something like that is pretty small-minded.