| 空闲 | kòng xián | leisure / spare time / (of a person) free / unoccupied / (of equipment, rooms etc) unoccupied / unused / idle / vacant / spare | ![]() |
| 空置 | kōng zhì | to set sth aside / to let sth lie idle / idle / unused | ![]() |
| 闲散 | xián sǎn | laid back / leisurely / (of resources: workers, funds etc) unused / idle | ![]() |
| 闲置 | xián zhì | to leave sth unused / to lie idle | ![]() |
| 尘封 | chén fēng | covered in dust / dusty / lying unused for a long time | ![]() |
| 余码 | yú mǎ | excess code (i.e. the unused bits in binary-coded decimal) | ![]() |
| 未用选票 | wèi yòng xuǎn piào | unused ballot | ![]() |
