Related Clues

• Nonexistent
• Empty, in math
• Not valid
• Zero
• Partner of void
• Aleph-___
• Valueless
• Legally invalid
• Without value
• Lacking any elements
• No longer legal
• Invalid
• ___ and void
• Void's partner
• Void companion
• Void's companion
• Amounting to nothing
• No longer in effect
• Having no force
• Like the set Ø