N-UNCOUNT
废弃;不用
If something falls into disuse, people stop using it. If something becomes worse as a result of disuse, it becomes worse because no one uses it.
例句
...a church which has fallen into disuse...
废弃的教堂
The wheel had long since rusted from years of disuse.
多年不用的车轮早已锈迹斑斑。