Meanings
Verb (5-dan, く, intransitive)
1. to open (e.g. doors)
esp. 開く
2. to open (e.g. business, etc.)
esp. 開く
3. to be empty
esp. 空く
4. to be vacant; to be available; to be free
esp. 空く
5. to be open (e.g. neckline, etc.)
esp. 明く
6. to have been opened (of one's eyes, mouth, etc.)
esp. 明く
7. to come to an end
esp. 明く
Verb (5-dan, く, transitive)
8. to open (one's eyes, mouth, etc.)
esp. 明く
Verb (5-dan, く, intransitive)
9. to have a hole; to form a gap; to have an interval (between events)
Kanji used
empty air
Pitch accent
Top 2100
Used in vocabulary (5 in total)
to have a hole; to be pierced (with a hole)
to be free; to be available
to have time free; to have time to spare
Examples (25 in total)
The street is empty.
Are you free in the afternoon?
Are you free after school?