Related Clues:

• Established firmly
• Not liquid or gas
• ___ as a rock
• Neither liquid nor gas
• Not shaky
• Sphere or cube
• Like mountain climbers
• Logically sound
• Cube or sphere
• Not striped, as a billiard ball
• Unhyphenated
• Reliable, as a citizen
• Craggy
• Nonliquid state
• Firmly established