Related Clues:
- Unable to reproduce
- Ineffective steps taken to protect top female
- Bacteria-free
- Unproductive way European money once got raised
- Leopards aren't so pure
- Rest and lie about, being unproductive
- The way to cause annoyance, staying obstinate to the end like a mule
- Clean crackers set cheese off
- Immaculately clean
- Unable to have children
- Uninspired setter to get angry
- Like a mule to be free of germs
- As you see, not so clean
- Getting disinfected is fruitless
- Ineffectual step taken to shelter royalty