Readings: クウ (Onyomi), そら / から / あく (Kunyomi)
Meaning: sky, empty, vacant
The kanji 空 appears in common words related to the sky, air, or emptiness. It’s used in basic vocabulary such as 空 (sky), 空気 (air), 空港 (airport), and 空く (to become empty).
View JLPT N5 Kanji ListKanji Details
| Radical | 穴 (cave) |
|---|---|
| Strokes | 8 |
| JLPT Level | N5 |
| Grade | 2nd Grade |
Readings
| Onyomi | クウ |
|---|---|
| Kunyomi | そら / から / あく |
How to Write – Stroke Order
空 contains the radical for “cave” (穴) on top, and 工 (construction/tool) at the bottom. It represents a “hollow space,” which evolved into meanings like “sky” or “emptiness.”
- Write the cave radical (⺆) first
- Then add the 工 component below
Example Sentences
Japanese: 空が青いです。
Kana: そらがあおいです。
Romaji: Sora ga aoi desu.
English: The sky is blue.
Japanese: 空港へ行きます。
Kana: くうこうへいきます。
Romaji: Kuukou e ikimasu.
English: I’m going to the airport.
Japanese: この部屋は空いています。
Kana: このへやはあいています。
Romaji: Kono heya wa aiteimasu.
English: This room is vacant.
Vocabulary Using 空
| Word | Reading | Meaning |
|---|---|---|
| 空 | そら | sky |
| 空港 | くうこう | airport |
| 空気 | くうき | air |
| 空く | あく | to become empty/vacant |
| 空っぽ | からっぽ | completely empty |
🔗 N5 Grammar & Vocabulary
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