Related Clues:

• More closely populated
• Switch to low beams
• Faded
• Less astute
• Not clear
• Not well lit
• A few bricks shy of a load
• __ sum: Chinese food tidbits
• Barely shining
• Poorly lighted
• Soften, as lighting
• Thicker
• Not the sharpest knife in the drawer
• Grasping things more slowly
• Lose luster