Related Clues:

• Nullified
• Unrecognised but no doubt patient
• One who is ill and not operable?
• Not worth the paper it's written on
• Like a redeemed coupon
• Gap, absence
• Having no effect for patient
• Blank, invalid
• A blank
• Home with girl I had disabled
• With no legal force
• Not acceptable to be in poor health
• Empty; not valid
• Game not counted on the pools
• Not valid, empty space