Related Clues:

• Nothing
• Zilch
• Zip
• 0
• Zero
• Nothingness
• Plenty of nothing
• All for ___ (in vain)
• The figure O
• Old word for nothing, sounds like zero
• Barton ultimately a thug, irritating FA
• All for __: to no avail
• Nothing bad detailed?
• Failures come to this
• All for __: in vain