Related Clues:

• Less predictable
• Not as certain
• Less certain
• More problematical
• More unpredictable
• More risky
• More touch-and-go
• Less certain after old Penny is more aloof
• More tricky for tinker to repair
• Row with small group of people is more puzzling
• Daughter more distant and more difficult
• Start of December's more glacial and dangerous
• End of road more affected by freeze, hence more dangerous
• More complex, as a problem
• More chancy