さ
Meaning
Turns an i-adjective or na-adjective into a noun expressing its degree, extent, or quality.
Conjugation
(A)Adjい → Adjさ (A)Adjな → Adjさ
Examples
Show translation
今日の暑さには耐えられません。
この箱の重さを測ってください。
あの塔の高さはどのくらいですか。
彼は仕事の大切さを知っています。
この町の静かさが気に入っています。
彼女の親切さに感動しました。
grammarDetailPage.commonMistakes.title
grammarDetailPage.commonMistakes.wrong: 暑いさ
grammarDetailPage.commonMistakes.correct: 暑さ
grammarDetailPage.commonMistakes.why: With an i-adjective, remove the final い before adding さ.
grammarDetailPage.commonMistakes.wrong: 静かなさ
grammarDetailPage.commonMistakes.correct: 静かさ
grammarDetailPage.commonMistakes.why: With a na-adjective, remove な before adding さ.
grammarDetailPage.commonMistakes.wrong: この箱は重さを測ってください。
grammarDetailPage.commonMistakes.correct: この箱の重さを測ってください。
grammarDetailPage.commonMistakes.why: 重さ is a noun, so the thing whose weight you mean is linked to it with の ("the weight of this box"), not は. は would be possible only as a contrastive topic.
Key points
For i-adjectives, remove い and add さ; for na-adjectives, remove な and add さ. さ is neutral and commonly presents a quality or degree relatively objectively, especially when it can be compared or measured. み often emphasizes a quality as personally experienced or felt, but the choice also depends on the adjective and established usage.
Practise this pattern with a free account
- 1 practice exercise a day
- 1 quiz a day to check what you remember
- Save lessons to review later
- Daily learning streaks and progress tracking
- 5 native-audio example sentences a day
Send feedbackRate for the lesson
Comment(0)
Write your comment
Send