also: きがよい
expression, i-adjective (yoi/ii class)
good-natured; good-hearted; amiable
Describes a person's character as kind, easygoing, and pleasant. Often used to describe someone who is not easily angered and gets along well with others.
彼は気がいいから、誰とでもすぐ仲良くなる。
He's so good-natured that he quickly becomes friends with anyone.
あの人は気が良くて、いつも笑顔だ。
That person is good-hearted and always smiling.
Compound of 気 (ki, 'spirit, disposition') + が (ga, subject marker) + いい (ii, 'good'). Literally 'one's spirit is good', used idiomatically to describe a person's good-natured character.