快
快·pleasant, comfortable, swift
- On-yomi
- カイ
- Kun-yomi
- こころよ(い)
By Nihongo PathUpdated
Stroke order
Write it in this order; the numbers mark where each stroke starts.
Common words
| Word | Reading | Meaning |
|---|---|---|
| 快い | こころよい | pleasant, agreeable |
| 快速 | かいそく | rapid (train service) |
| 快晴 | かいせい | clear, fine weather |
| 不快 | ふかい | unpleasant, uncomfortable |
Example sentences
今日は快晴です。
きょうはかいせいです。
Today the sky is perfectly clear.
次の快速に乗れば間に合います。
つぎのかいそくにのればまにあいます。
If you take the next rapid train, you'll make it in time.
彼は快く手伝いを引き受けてくれた。
かれはこころよくてつだいをひきうけてくれた。
He gladly agreed to help.
Similar-looking kanji
Do not confuse these on the exam.
Common mistakes
- Reading 快い as かいい instead of こころよい
- Reading 快速 as かいそう instead of かいそく
Memory aid
Picture it
The heart radical (忄) beside the piece that gives 決 its speed — a heart that feels clear and quick is a heart at ease.
Vocabulary using this kanji
- 快感かいかんpleasant feeling, pleasure
- 不快ふかいunpleasant, displeasure, discomfort
- 快速かいそくrapid train
- 快晴かいせいclear, cloudless weather
- 快適かいてきcomfortable, pleasant
- 愉快ゆかいpleasant, cheerful
- 快いこころよいpleasant; agreeable; willing
- 全快ぜんかいcomplete recovery from illness
- 軽快けいかいlight and nimble; brisk; rhythmical (melody); casual (dress); (of illness) taking a turn for the better
Quick check
1 / 2Multiple choiceDifficulty 3 of 5
What does the kanji 快 mean?