Related Clues:

• Lacking volume
• Meaningless
• Gracile
• Resembling a beanpole
• "Incredible!"
• Not worth a second thought
• Making no sense
• Gauzy
• Lamebrained
• Flimsy, as a plot
• Tissuelike
• Very thin
• Rarefied
• Flimsy, as an argument
• Plain silly