| Answer | Crossword Clue |
|---|---|
| CLEARASMUD | Impossible to understand |
| impenetrable | Impossible to understand |
| unintelligible | Impossible to understand |
| ungraspable | Impossible to comprehend or understand |
| inscrutable | Impossible to understand or interpret |
| defeating | Be impossible for (someone) to understand |
| mysterious | Difficult or impossible to understand, explain, or identify |
| mysteries | Something that is difficult or impossible to understand or explain |
| intangible | Difficult or impossible to define or understand; vague and abstract |
