Related Clues:

• Spill affecting oil sector -- nothing's going to be more damaging
• Parking right here in Paris, close to Seine river, is more expensive
• Rebuilt cloister is needing more brass
• More vertical
• Dearer
• Pound accepted by Greek island bank incurring more losses?
• Increasing in pitch
• Harder to climb, perhaps
• On a sharper incline
• More exorbitant
• Like a Rolex, vis-a-vis a Timex
• Causing greater loss
• More of a strain on your wallet
• Less gradual, as an incline
• Harder to climb