Related Clues:

• Null
• Sit on one's heels
• Score of zero
• 'And Then There Were --'
• Love, in a sense
• Questionnaire box, perhaps
• Part of binary code
• __ of the above
• Nothing, somewhere
• It's nothing down South
• Weightlifting exercise
• Common soccer score
• Much ado about nothing
• ''And Then There Were ___''
• Beetle Bailey's pal