Related Clues:

• Partner of null
• Render worthless
• Nullified
• "Void" companion
• Like a redeemed coupon
• Invalid; empty
• Gap, absence
• Without force, validity
• Blank, invalid
• Of no effect, value
• A blank
• Invalid heads for newly upgraded ladies' loo
• With no legal force
• Nothing to avoid in sport!
• Empty; not valid