lostlist

noun
UK /ˈlɒstlɪst/
US /ˈlɔːstlɪst/

A list of things that are missing and need to be found.

The teacher checked the lostlist to see whose mittens were missing.


OTHER MEANINGS

2. A record kept by a lost-and-found office of items waiting to be claimed.

The school office keeps a lostlist by the door.

3. A digital list of files or data that can no longer be located.

The technician reviewed the lostlist after the server crashed.

4. A list of people or things that have gone missing in a search.

Rescuers updated the lostlist as they searched the forest.