Related Clues:

• Not too quick on the uptake
• Stupid, as I figure
• A fashionable set in function that's senseless
• Tightly compressed
• Stupid, like idiot’s opening figure
• Compact and tight together
• Really thick
• Like mercury
• Since one is followed by two and three and four, it's very simple
• Like pound cake
• Very compact
• Completely cockamamie
• Heavy, as a fog
• Closely spaced poles in river
• Inanely foolish