Related Clues:

• Unpredictable
• Precarious
• Critical
• Job for a relay racer?
• Uncertain
• Risky
• Fraught with danger
• Iffy
• Dicey
• Like a risky situation
• Risky, like tip-and-run
• To borrow money then move away is risky
• Critical - risky
• Uncertain up to the last minute
• Close but brief contact