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
なんとか注文を取り終えると今度は空いた皿を下げにかかる。Once I've finally finished taking the orders, I start clearing away the empty plates.
4. to be vacant; to be available; to be free
esp. 空く
明日の夜って空いてますか？Are you free tomorrow night?
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)
とはいえ、いまだ互いの間にはひとり分の間隔が空いている。Even so, there is still a gap of one person's width between them.