Related Clues:

• Mars — plunder
• Impaled "All That ___"
• Disintegrates gradually
• Deteriorates and then some
• Is no longer good
• Becomes inedible, maybe
• Falls into decay
• Spoils badly
• Turns rancid
• Wastes away
• What acoustic's wood does, perhaps
• Goes bad, as an apple
• Goes bad, as food
• Starts to smell
• Molders to nothing