快 means cheerful
pleasant, agreeable, comfortable
A heart that's open: pleasant.
On'yomi
- カイkai
Kun'yomi
- こころよ(い)kokoroyoi
How it's built
- 忄heart
- 夬
Common words
- 全快ぜんかいcomplete recovery of health
- 快晴かいせいclear weather; cloudless weather
- 快いこころよいpleasant; agreeable
- 快楽かいらくpleasure