Related Clues:

• Declines temporarily
• Needs to slow down
• Sinks under pressure
• Numerical downturns
• Cools
• Becomes droopy
• Gets less taut
• Lacks firmness
• Wilts badly
• Loses tautness
• Grows slack
• Wedged beneath bank briefly, cuts slacks off
• Gives in to gravity, as a roof
• Droops a bit in the center
• Heads south?