Possible Clues:

• Fatal delay after accident at end of road
• Mortal
• Many delay, sadly, and that's fatal
• Lethal, capable of causing fatality
• Seven ___ sins
• Devotee starts to find Lady Gaga unbearably boring
• Lead widespread in the outskirts of Derby is very dangerous
• Implacable insensitive heartless sexual partner
• Very likely to be disembowelled? That's fatal!
• Dose doing away with outsize lady, unexpectedly fatal