Related Clues:

• Nugatory
• Without foundation
• Void
• Not legally binding
• Baseless
• Not binding
• Not true
• Bedbound
• Spurious
• Flawed
• Not sound
• Not worth the paper it's printed on
• Having no legal force
• Well, it's not still in force, so it's not
• Is Ali there? Well, he isn't (7)