Related Clues:
- Like 10-watt light bulbs
- Far from perceptive
- Mentally slow, not acute?
- Like platinum
- Like low-watt bulbs
- Dull alumnus cooked suet
- Like the light at twilight
- Low-I.Q
- Not the sharpest tool in the shed
- Slow-witted duke seen dancing
- Thick section in garden seat
- Old penny dreadful seen as impenetrable
- Gloomy and slow-witted
- Not too bright, duke seen wandering
- Slow-witted when it comes to geometry?