Related Clues:

• Not a walk in the park
• Dense
• Sphere, say
• "A __ Day's Night"
• Not a breeze
• Physical state of ice
• Troublesome
• Like a good alibi
• Hepster's exclamation
• Hardly a no-brainer
• How you may find this puzzle
• Hard and firm
• Mohs scale adjective
• Herculean
• Word that can precede the first word of the six longest puzzle answers