〜性
-ness / property
Use this pattern to shape a complete, natural Japanese thought.
Remember it
Connect the meaning to its sound: say “〜性” aloud once.
Understand
Build the pattern
Sentence formula
How it works
「〜性」 means "-ness / property". Structure: Noun + 性. This is a JLPT N3 pattern — the examples below slot different everyday and workplace words into the same structure so you can see how it behaves. Learn the structure, then swap in your own words.
When to use it
Read the example aloud, then replace one detail with something from your own life.
Tone: Neutral
A general pattern; let the sentence ending and situation set the politeness level.
Use
Hear it in real life
Everyday life
Example 1この修理は安全性が高いです。
この しゅうり は あんぜんせい が たかい です。
kono shuuri wa anzensei ga takai desu.
This repair has high safety.
At work
Example 2この資料は安全性が高いです。
この しりょう は あんぜんせい が たかい です。
kono shiryou wa anzensei ga takai desu.
This materials has high safety.
Everyday life
Example 3この機械は安全性が高いです。
この きかい は あんぜんせい が たかい です。
kono kikai wa anzensei ga takai desu.
This machine has high safety.
Everyday life
Example 4この材料は安全性が高いです。
この ざいりょう は あんぜんせい が たかい です。
kono zairyou wa anzensei ga takai desu.
This ingredients has high safety.
Make it yours
Choose one example. Replace one person, place, object, or time with a detail from your life, then say the new sentence aloud.
Recall
Test your memory
Recall practice
Can you say it?
1 of 4
Read the situation, look away from the answer, and say the Japanese aloud.
Your situation
This repair has high safety.
The answer is hidden. Try to use 〜性.
Remember tomorrow
Save this pattern as a flashcard
Review the meaning and formula later so today’s lesson moves into long-term memory.