Related Clues:

• Switch to low beams
• Overgrown
• Hard to see through, as fog
• A little on the slow side
• Not sparse
• Faded
• Muscleheaded
• Not Mensa material
• Compacted
• Like thickets
• Very silly
• Not clear
• 'Keep it simple, ___'
• Not the sharpest pencil in the box
• Not very sharp