Related Clues:

• Urgent appeal over nothing makes one indifferent
• Consequently, cloning is only fair
• And at heart the blighter is not too bad
• Tolerable; indifferent
• Average emergency coming to nought
• Message in bottle heading for ocean? Nothing to write home about!
• Very good! Very good! Not as good!
• Likewise, twice as poor
• 'Huge' returns, doubled, are not up to much
• Tolerable journey back for two seamen
• Consequently getting an encore is only fair
• Average tinker's no joiner
• Average brat, and getting expelled
• Merely OK
• Average distress call comes to nothing