Related Clues:

• Lose tension
• Hollywood acronym
• Show signs of age, as a roof
• It waves patriotically
• Mattress defect
• *Union, e.g.
• Droop dejectedly
• Lose momentum
• Show age, in a way
• Become a bit deflated
• Old Glory, e.g.
• Go south, as sales
• Get old, as a roof
• Bend in the middle
• React to humidity, in a way