| Answer | Crossword Clue |
|---|---|
| immotile | not able to move; not motile |
| uncertain | Not able to be relied on; not known or definite |
| unavailable | Not able to be used or obtained; not at someone's disposal |
| missing | (of a thing) Not able to be found because it is not in its expected place |
| unsearchable | not capable of being searched or explored / a thing which is not able to be searched for |
| possible | Able to happen although not certain to; denoting a fact, event, or situation that may or may not occur or be so |
