Related Clues:

• Borderline
• Rim … or trim
• It can be the difference between winning and losing
• Sphere's lack
• Place for a fringe
• Drop-off spot
• Head start, maybe
• Athletes look for it
• Hipness
• Trim or rim
• Advance slowly
• Neaten, as a lawn
• One of a cube's 12
• Risky place to live?
• Good thing to have when competing