Related Clues:
- Like 19? How silly can one be?
- 'Silly like 32 across, perhaps (7)'
- 'Silly like 19, perhaps (7)'
- None too quick on the uptake
- Like depleted uranium
- Packed with ideas, as an essay
- Practically impenetrable
- Hard to get through
- Thick, like fog
- Extremely stupid or foolish
- Stupid since 19
- Thick wooded valley around the point
- Seen as a fault in the Orient - and stupid
- Several rooms with one key? Stupid!
- Single figure followed as stupid