Related Clues:

• Shaky
• Like nitroglycerin
• Volatile
• Rocky
• Tottering
• Wobbly
• Rickety
• Not steady, maybe irrational
• Not steady or dependable
• Volatile, precarious
• Not steady, volatile
• Precarious or subject to change
• Somewhat temperamental, and at last that's flat
• The French one makes it not secure for the horse
• Still it won't stay