1.
in use, occupied
A status indicator showing that something (such as a restroom, meeting room, or equipment) is currently being used.
トイレは使用中です。
The toilet is occupied.
会議室が使用中になっている。
The meeting room is in use.
使用中のランプが点灯している。
The 'in use' light is on.
A compound of 使用 (use) + 中 (during). Functions as a status indicator meaning "currently in use" or "occupied."
COMMON CONTEXTS:
- トイレ/お手洗い: restroom (the most common context)
- 会議室: meeting rooms
- コピー機: copy machines
- 更衣室: changing rooms
COMMON COLLOCATIONS:
- 使用中の表示: "in use" indicator
- 使用中になる: to become occupied
- 使用中のランプ: "in use" light
RELATED 〜中 EXPRESSIONS:
- 故障中: out of order
- 営業中: open for business
- 準備中: in preparation / closed for setup
- 清掃中: being cleaned
CONTRAST:
- 空き/空室: vacant, available