unaccounted
/ˌʌnəˈkaʊntɪd/
adjective
- Not explained or included in a record or count; missing or not able to be found.
- In the budget report, nearly $2,000 in expenses was unaccounted.
- The hiker remained unaccounted for until search teams found him the next morning.
- After the fire, several items from the office were still unaccounted.