Quick answer
性 is the kanji for "Nature". The most common reading is さが (saga). Mnemonics and example sentences are listed below.
Meaning
Nature
Also : Sex · Gender
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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
8 strokes
Radicals
Memory Aid
The kanji 性 represents 'SEX'. Think of this shape as a picture representing the concept of sex.
On-reading: せい — sounds like 'say'. Kun-reading: さが.
Example Sentences
この製品は安全性が高いです。
このせいひんはあんぜんせいがたかいです。
This product has high safety.
性格の良い人と友達になりました。
せいかくのよいひとともだちになりました。
I became friends with a person of good character.
Vocabulary using 性
Grammar to study at this level
- [Verb dictionary/nai form] + ように～ように (you ni) - So that
- [Verb dictionary form] + ことにする～ことにする (koto ni suru) - Decide to
- [Verb dictionary form] + ことになる～ことになる (koto ni naru) - It has been decided that
- [Noun/Verb te-form] + ばかり～ばかり (bakari) - Only / Nothing but
- [Verb/Adjective plain form] + はずだ～はずだ (hazu da) - Should be / It is expected
Last updated Jun 11, 2026
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