Related Clues:

• Round figure?
• Cipher
• Round number?
• Nobody
• Diddly
• Binary digit
• Lowest point
• Not a one
• Part of binary code
• Beetle Bailey's pal
• It means nothing
• Abysmal grade
• Freezing point of water, in Celsius
• Blank tile value, in Scrabble
• Word on a Smashing Pumpkins shirt