Explanation
Express the degree or extent of a quality; '-ness', 'degree of'.
Formation
い-Adjective (drop い) + さ, な-Adjective + さ
Detailed explanation
The ～さ grammar point is used to express the degree or extent of a certain quality or characteristic. It is often translated as '-ness' or 'degree of' in English. The formation differs depending on whether it is used with an い-adjective or a な-adjective.
Examples
この料理は辛さが強い。
Kono ryouri wa karasa ga tsuyoi.
The spiciness of this dish is strong.
彼女の美しさは皆に憧れられる。
Kanojo no utsukushisa wa mina ni akogarerareru.
Her beauty is admired by everyone.
山田さんの親切さで、困っている人を助けてくれる。
Yamada-san no shinsetsusa de, komatte iru hito wo tasukete kureru.
Yamada-san's kindness helps people in trouble.
この部屋の広さは十分だと思う。
Kono heya no hirosa wa juubun da to omou.
I think the size of this room is enough.
Practice
Grammar content sourced from hanabira.org.