Related Clues:

• They may be necessary
• Villainous act
• Contents of Pandora's box
• Not decent
• Nefarious
• Insidious
• Far from benevolent
• Confessional topics
• Really bad
• Downright rotten
• Transgressions
• What some say money is at its core
• The lesser of two ---
• Damnable
• Worse than knavery