Related Clues:

• Needs another way?
• Concentrated
• None too swift
• Hardly suited for Mensa
• Agreed
• Slow to understand
• Not the brightest bulb on the Christmas tree
• Sold-out show
• Not divided
• Thickly populated
• Bubbleheaded
• American rival
• Made one
• Thickly packed
• Word in soccer team names