| Answer | Crossword Clue |
|---|---|
| unlivable | Not able to be lived in; uninhabitable |
| unspeakable | Not able to be expressed in words |
| ineffable | not able to be expressed in words |
| unsurpassable | Not able to be exceeded in quality or degree |
| inconvertible | Not able to be changed in form, function, or character |
| FLYPAPER | Material in a book you might not be able to put down |
| unbeatable | Not able to be defeated or exceeded in a contest or commercial market |
| missing | (of a thing) Not able to be found because it is not in its expected place |
| nonproductive | Not producing or able to produce goods, crops, or economic benefit (tending to be less forceful in meaning than unproductive) |
