Quick answer
快 is the kanji for "Pleasant". The most common reading is こころよ.い (kokoroyoi). Mnemonics and example sentences are listed below.
Meaning
Pleasant
Also : Cheerful · Agreeable · Comfortable
Learn 快 with SRS
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Readings
kun = Japanese reading · on = Chinese reading
Practice writing
Trace the kanji stroke by stroke with a visual guide.
Stroke Order
7 strokes
Radicals
Memory Aid
The kanji 快 represents 'CHEERFUL'. Think of this shape as a picture representing the concept of cheerful.
On-reading: かい — remember this sound by associating it with cheerful. Kun-reading: こころよ.い.
Example Sentences
快晴の空の下でフルマラソンを走り切りました。
かいせいのそらのしたでふるまらそんをはしりきりました。
Under the clear blue sky, I ran a full marathon.
快適な職場環境を整えることが、従業員の生産性向上につながります。
かいてきなしょくばかんきょうをととのえることが、じゅうぎょういんのせいさんせいこうじょうにつながります。
Creating a comfortable work environment leads to improved employee productivity.
Vocabulary using 快
Grammar to study at this level
- [Noun] + に伴い~に伴い (ni tomonai) - Along with / In accordance with
- [Noun] + をはじめ~をはじめ (wo hajime) - Starting with / Including
- [Noun] + に応じて~に応じて (ni oujite) - According to / In response to
- [Noun] + から + [Noun] + にかけて~にかけて (ni kakete) - From...to / In the area of
- [Noun] + に限り~に限り (ni kagiri) - Limited to / Only
Last updated Jun 11, 2026
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