| Rating | Solver | Clue |
|---|---|---|
| STUMPER | Difficult question | |
| TEASER | Difficult question | |
| PUZZLER | Difficult question | |
| CONUNDRUM | Difficult question | |
| POSER | Difficult question | |
| TOUGHIE | Difficult question | |
| RESCRIPT | The answer of an emperor when formallyconsulted by particular persons on some difficult question; hence, an edict or decree. | |
| PROBLEM | A question proposed for solution; a matter stated for examination or proof; hence, a matter difficult of solution or settlement; a doubtful case; a question involving doubt. | |
| RESOLUTION | ...complex notion, or solving a vexed question or difficult problem. ... | |
| SOLUTION | ... the disentanglement of any intricate problem or difficult question; explanation; clearing up; -- used especially in mathematics, either of t... | |