Related Clues:

• Loses resilience
• What an overloaded bookshelf does
• Is low around the waist, as pants
• Visibly can't stand the weight
• Becomes baggy
• Shows exhaustion
• Sinks
• Gets droopy
• Downturns
• Bends under stress
• Sags through tiredness
• Sags, wilts
• Grows weak and hangs down
• Hangs loosely, sags
• 'Sags, wilts (6)'