1. 荒废的：obsolescence 废弃 | obsolescent 荒废的 | obsolete 荒废的
2. 废退的：obsolescence 陈腐化 | obsolescent 废退的 | obsolete 不发育的
3. 过气：新晋歌星rising star | 过气obsolescent | 雷颂德Mark Lui Chung-tak
4. 逐渐要废弃的：obsolescencefree 长时适用 | obsolescent 逐渐要废弃的 | obsolescenthousing 过时住房
1. 911查询·英语单词
1. 过时的；废弃的;淘汰的
If something is obsolescent, it is no longer needed because something better has been invented.
e.g. ...outmoded, obsolescent equipment.
陈旧老化的设备