| Make an unreasonable, unattainable request |
ASKFORTHEMOON |
| Member of US Congress' upper house |
SENATOR |
| Mischief-maker; little devil |
IMP |
| Natural barrier forming part of the USA-Mexico border |
RIOGRANDE |
| Natural underground reservoir |
AQUIFER |
| Propounds: pretends |
POSES |
| Reserve |
SHYNESS |
| See 20 |
BUTLER |
| Song with a refrain; dance in a circle |
ROUNDELAY |
| Split personality reference from RL Stevenson characters |
JEKYLLANDHYDE |
| Unfurled flags; triumphant success |
FLYINGCOLOURS |
| Unimaginable |
UNDREAMED |