Related Clues:
- Empty, mathematically
- "Void" companion
- Unrecognised but no doubt patient
- One who is ill and not operable?
- Not worth the paper it's written on
- Invalid; empty
- Without force, validity
- Having no effect for patient
- Of no effect, value
- Home with girl I had disabled
- Invalid heads for newly upgraded ladies' loo
- With no legal force
- Nothing to avoid in sport!
- Not acceptable to be in poor health
- Legally ineffective letter in Greek will