Related Clues:
- Deteriorates and then some
- Is no longer good
- Becomes inedible, maybe
- Falls into decay
- Spoils badly
- Wastes away
- What acoustic's wood does, perhaps
- Goes bad, as an apple
- Starts to smell
- Molders to nothing
- Languishes in prison
- Turns out badly
- Biodegrades, say
- Becomes spongy, as wood
- Turns colors, maybe