| Answer | Crossword Clue |
|---|---|
| UNTENABLE | Like something that can't be defended |
| IDEA | Something that can't be patented |
| WATEROVERTHEDAM | Something that can't be undone |
| AMUST | Something that can't be missed |
| COCKANDBULL | Like a story that can't be believed |
| SUNK | Like costs that can't be recovered, in economists' lingo |
