| Answer | Crossword Clue |
|---|---|
| unproved | not proved |
| UNTRIED | Not proved. |
| unfalsifiable | not capable of being proved false |
| indemonstrable | Not able to be proved or demonstrated |
| dixit | an assertion made but not proved dictum |
| undocumented | Not recorded in or proved by documents |
| untried | not tried; not attempted, proved, or tested |
| proofless | wanting sufficient evidence to induce belief; not proved |
| undecidable | (of a proposition or theorem) Not able to be proved or disproved |
