Related Clues:
- The Yorkshire bumpkin is stupid
- Stupid; (of fog) dense
- With 66-Across, slow learner in the litter?
- Broad moment round hospital
- Decidedly obtuse
- Sign of approval about hospital being very friendly
- With relatively large distance between opposite sides
- Like thieves, it's said, displaying bovine impenetrability?
- Packed hotel welcomes credit? On the contrary
- '72 Jethro Tull album "___ as a Brick"
- Stupid; close-packed
- Not thin
- Packed hotel in credit
- Wide — impenetrable
- Like some milkshakes