| absent(adjective, confused, out, hidden, lost) |
| adrift(adjective, confused, out, hidden, lost) |
| astray(adjective, confused, out, hidden, lost) |
| at sea(expression, adjective, hidden, lost, absent) |
| cast away(expression, adjective, hidden, lost, absent) |
| disappeared(adjective, confused, out, hidden, lost) |
| disoriented(adjective, confused, out, hidden, lost) |
| down the drain(expression, adjective, idiom, hidden, missing) |
| fallen between cracks(expression, adjective, idiom, hidden, lost) |
| forfeit(adjective, out, hidden, lost, absent) |
| forfeited(adjective, confused, out, hidden, lost) |
| gone(adjective, confused, out, hidden, lost) |
| hidden(adjective, confused, out, lost, missing) |
| invisible(adjective, confused, out, hidden, lost) |
| irrecoverable(adjective, out, hidden, lost, absent) |
| irretrievable(adjective, out, hidden, lost, absent) |
| irrevocable(adjective, confused, out, hidden, lost) |
| kiss goodbye(expression, adjective, hidden, lost, absent) |
| lacking(adjective, confused, out, hidden, lost) |
| lost(adjective, confused, out, absent, gone) |