Common loanword used for roofs of buildings, vehicles, and structures. Often appears in compounds like ルーフトップ (rooftop) or ルーフバルコニー (roof balcony).
この車のルーフは開閉式だ。
This car's roof is retractable.
I opened the roof while driving to feel the breeze.
ルーフにソーラーパネルを設置した。
We installed solar panels on the roof.
自転車をルーフに積んで旅行に行った。
We loaded bicycles onto the roof and went on a trip.
That sports car has a low roof and looks stylish.
sunroof
high roof (of a car)
moonroof
rooftop
roof rack
roof garden
roof terrace; roof deck
cabinet roof
roof ventilator
Borrowed from English 'roof'.