Related Clues:

• Word on a check
• Invalidate, as a check
• Null and ___
• Blank space
• Null and --
• Broke off, as a relationship
• "___ where prohibited"
• A thing of the past
• It's got nothing
• Didn't continue
• Tear up, as a check
• Had its last performance
• Of no legal force
• Not occupied
• Brought to a finish